Recall 21051 Circuit Breaker May Not Function Properly – 2019-2021 Cummins Power Generation C70D2RE & C100D2RE Trailer-Mounted Generator Set

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Internal DATE: 10/18/2021 TO: Cummins SUBJECT: PowerPact L 250 – 600A, ComPact NSX 400 – 630A Molded Case Circuit Breakers Ref.: PRB-233066 PRODUCT SAFETY NOTICE NOTICE OF POTENTIAL UNSAFE CONDITION PLEASE DELIVER IMMEDIATELY TO THE RESPONSIBLE PERSON IN YOUR ORGANIZATION Dear Valued Customer, Schneider Electric is committed to delivering high quality products to our customers. According to our records, your company has recently purchased (refer to Appendix 3) PowerPact L 250 – 600A, ComPact NSX 400 – 630A (please refer to Appendix 2 for details on identifying the impacted product). These products have either been purchased for incorporation into a finished offer such as a Low Voltage Distribution equipment or Generator Set for example (LV switchboard Builder or OEM) or have been supplied directly to an installation. As part of our ongoing quality monitoring process, we bring to your urgent attention a safety issue that has exhibited itself on some of the PowerPact L 250 – 600A, ComPact NSX 400 – 630A Molded Case Circuit Breakers (“MCCB”). The potentially affected MCCB may contain a nonconforming component that may result in the circuit breaker not operating as intended under certain conditions. Should this condition occur, a potential for PERSONAL INJURY AND/OR PROPERTY DAMAGE may exist. Hence Schneider Electric has decided to carry out a full investigation and remedial action. Corrective actions have been implemented at Schneider Electric to prevent this issue being repeated on shipment of any new MCCB. The purpose of this letter is to inform you about the potential risk and ask you to provide the proper identification and information. This information will be used to identify and complete necessary remedial work. We urge you to comply with the requests in this document and follow the containment actions described in Appendix 1. We regret any inconvenience this may cause. Thank you for understanding and assistance, if you would like to discuss this further please contact (Customer Care Center Chat or 888-SQUARED) Sincerely, Power Products – Customer Satisfaction & Quality Customer Care Center Chat 888-SQUARED Internal Appendix 1: Containment Actions 1. To identify if you have any potentially affected Molded Case Circuit Breakers MCCB(s) using the device reference and date code, please refer to Appendix 2 2. If you are not able to determine if your MCCB is potentially affected, contact your local helpdesk (Customer Care Center Chat or 888-SQUARED). 3. If you have identified potentially affected MCCB(s), please follow these instructions: If you are a Reseller: • If the affected MCCB is still at your facilities, please complete Appendix 5 and contact your local helpdesk (Customer Care Center Chat or 888-SQUARED). Do not ship affected MCCB(s) to customers. • If you have already sold the affected MCCB(s), complete the Reseller Information sheet (Appendix 4) confirming you will forward this Safety Notice to your customer or notate if you would like Schneider Electric to do so, by providing information to us regarding the resale. If you are an End User: • Please verify the location of the affected MCCB(s) in your facility then complete the End User Information sheet (Appendix 5) or contact your local helpdesk (Customer Care Center Chat or 888-SQUARED). This information is critical to ensure that we have the correct site address and site contact details to schedule the remediation. • Upon receipt of the End User Information sheet, Schneider Electric will contact you to discuss relevant options. You can also contact your local helpdesk (Customer Care Center Chat or 888-SQUARED) for any information. • For any products identified as potentially impacted by this notice, AND in operation (installed and energized), please print and apply the danger label provided in Appendix 7 to the equipment in which the circuit breakers are installed. • Please refer to safety instruction, Appendix 6 for any intervention including product identification date code. Internal Appendix 2: Identification of potential affected products Prior to taking any actions to identify date code of the product to confirm it is impacted by this safety notice for any product that is in operation (energized), ensure to carefully follow the safety instructions in Appendix 6. Internal Date code Identification guidance (Suitable for PowerPact L Breaker) The PowerPact L packaging has the circuit breaker (CB) manufacturing date code on the yellow packaging label as well as the front faceplate cover of the circuit breaker. This is a 5-digit date code. Start Go to Step 2 Date Code：19504 means made on 4th day of 50th week of 2019. Y N CB Date Code Impacted range: 3-Pole (LV437206): 19284 to 21145 4-Pole (LV437216): 20023 to 21224 DC Rated 3-Pole (LV438383): 20175 to 21333 DC Rated 4-Pole (LV438381): 20092 to 21335 Breakers are not impacted CB Date Code within impacted range? Is CB installed in equipment? N If unable to locate date code because circuit breaker is installed in equipment, complete Appendix 4 or 5 and return to Schneider Electric. Y Internal Step 2 Date code within impact range? Breakers are impacted Check BLOCK Date Code on side label of circuit breaker Date code start with “TC”? Breakers are not impacted Date Code：TC-19366-U1 means made on 6th day of 36th week of 2019. (Alternate Date Code Format: TC-2019-W36-6-U1) Y Y N N Attention: Side label is located as above picture. No need to check labels in other locations. Block Date Code impacted range: TC-2019-W21-3 to TC-2019-W22-2 TC-2019-W24-2 to TC-2019-W24-4 TC-2019-W46-2 to TC-2019-W47-3 TC-2019-W51-5 to TC-2021-W14-4 Breakers are not impacted Complete Appendix 4 or 5 and return to Schneider Electric. Internal Date code Identification guidance (Suitable for Compact NSX Breaker) Start Have grouping box? Date code start with “TC”? Date code within impact range? Breakers are impacted Breakers are not impacted Go to Step 3 Go to Step 2 Date Code：TC-2021-W38-4 means made on 4th day of 38th week of 2021. Y Y N N N Y Impact range: TC-2019-W21-3 ~ TC-2019-W22-2 TC-2019-W24-2 ~ TC-2019-W24-4 TC-2019-W46-2 ~ TC-2019-W47-3 TC-2019-W51-5 ~ TC-2021-W14-4 Internal Step 2 Have individual box? Date code start with “TC”? Date code within impact range? Breakers are impacted Breakers are not impacted Go to Step 3 Date Code：TC-2021-W38-4 means made on 4th day of 38th week of 2021. Y Y Y N N N Impact range: TC-2019-W21-3 ~ TC-2019-W22-2 TC-2019-W24-2 ~ TC-2019-W24-4 TC-2019-W46-2 ~ TC-2019-W47-3 TC-2019-W51-5 ~ TC-2021-W14-4 Internal Step 3 Date code hidden by terminal shield Date code within impact range? Breakers are impacted Breakers are not impacted Option 1: check date code on middle cover Date code start with “TC”? Take off terminal shield Date Code：TC21384 means made on 4th day of 38th week of 2021. Y Y Y N N N loosen two screw and take off terminal shield Date code Impact range: TC19213 ~ TC19222 TC19242 ~ TC19244 TC19462 ~ TC19473 TC19515 ~ TC21144 Internal Step 3 Date code within impact range? Breakers are impacted Breakers are not impacted Option 2: check date code on side label Date code start with “TC”? Go to Step 3, option 1 Date Code：TC-2021-W38-4 means made on 4th day of 38th week of 2021. Y Y N N Attention: Side label location as above picture Other location labels no need to check. Impact range: TC-2019-W21-3 ~ TC-2019-W22-2 TC-2019-W24-2 ~ TC-2019-W24-4 TC-2019-W46-2 ~ TC-2019-W47-3 TC-2019-W51-5 ~ TC-2021-W14-4 Internal Appendix 3: According to our records, your company has recently purchased the following Date Sales or purchase order number Sales or purchase order line number Quantity Type of product Internal Appendix 4: Reseller information sheet Product Safety Notice PRB-233066 Reseller information sheet Quality Record Reference Number: PRB-233066 Name Company Position Address Telephone and/or E-Mail Address Please Tick One, or Several Boxes: We have received the Safety Notice and have understood the potential safety risk with the MCCB We will notify third party(ies) or Customer(s) where the identified units/ equipment’s are installed We request Schneider Electric to notify third party(ies) or end user(s) Customer(s) and we will inform Schneider Electric representative of such installed base(s) with all necessary data. This does NOT impact me, please remove me from your mailing list Please make sure this document is signed before returning. Name ________ Signature _____________ Company Name and Seal Please fill in this form, scan and: Return to: E-Mail to: [email protected] Schneider Representative (s) …………………………………………………………… …………………………………………………………… ………………………………………………………….. Date: ………./………./……….. Internal Appendix 5: End User information sheet Product Safety Notice PRB-233066 End User information sheet End User CUSTOMER INFORMATION SECTION: 1. Please state your full name and title_______________________________________________________ 2. Please confirm your company name and address Company_____________________________________________________________________________ Address______________________________________________________________________________ City_____________________________ State______ Zip Code_____________ 3. Please provide your: Phone number: ( )___________________________________ Mobile number: ( )_____________________________ Email Address: __________________________________________ Please Tick the appropriate Boxes: We have received the Safety Notice and have understood the potential safety risk with the MCCB This does NOT impact me, please remove me from your mailing list For Impacted PowerPact L 250 – 600A, ComPact NSX 400 – 630A please complete this location INFORMATION SECTION 4. We, [end User Customer], declare having identified impacted products ☐ Yes ☐ No 5. Quantity of product impacted identified: ______ 6. Full location information: Company Site__________________________________________________________________________________ Address______________________________________________________________________________ City_____________________________ State______ Zip Code_____________ Location in Site/Equipment Designation: _______________________________________________________________________________ Signature__________________________________________________ Date_____________________ Print Name____________________________________________________ Title__________________________________ Additional Comments: ____________________________________________________________________________________ Please fill in this form, scan and: Return to: E-Mail to: [email protected] Schneider Representative (s) …………………………………………………………… …………………………………………………………… ………………………………………………………….. Date: ………./………./……….. Internal Appendix 6: Safety instructions for any intervention including product date code identification. Internal Appendix 7: Warning label

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1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 1/14 Technical Service Bulletin Technical Service Bulletin: TSB210251 Released Date: 13-Jan-2022 Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Breakers, from Schneider Electric Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Breakers, from Schneider Electric Warranty Statement Contents Product Affected C70D2RE C100D2RE Issue Schneider Electric has notified Cummins that a population of PowerPact L 250-600A Molded Case Circuit Breakers (MCCB) may contain a safety issue requiring urgent attention due to “a nonconforming component in its mechanism that may result in the circuit breaker not operating as intended under certain conditions. Should this condition occur, a potential for PERSONAL INJURY AND/OR PROPERTY DAMAGE may exist”. The purpose of this service bulletin is to cascade information from the Schneider Electric Product Safety Notice, PRB-233066, to: (1) increase visibility to the Schneider Electric Notice of Potential Unsafe Condition, and (2) allow for proactive inspection to determine whether a particular unit may be impacted by this issue as part of the Safety Warranty Campaign #4776 launched by Cummins. Verification/Confirmation Table 1 contains the list of generator set serial numbers potentially affected by this Safety Warranty Campaign. Cummins requires that these generator sets be inspected (inspection instructions below Table 1) and necessary actions be taken if a unit is found to be impacted. Table 1, List of potentially impacted generator set serial numbers The information in this document authorizes specific changes to the repair practice for failures covered under product warranty coverages. 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 2/14 Table 1, List of potentially impacted generator set serial numbers E19056235 8 H19062120 4 C20074060 5 G21096358 6 G19059985 9 I190644675 C20074565 2 E19056250 0 H19061913 8 E20076669 8 H21096990 2 G19060522 4 I190640397 C20074639 6 E19056293 7 H19061848 6 E20076743 0 H21097568 0 G19060522 3 I190640401 C20074643 4 E19056317 4 G19061587 2 E19057021 1 H21097789 8 G19060841 8 I190640613 A21087441 4 E19056321 1 G19061515 6 E19057155 6 G21095745 2 G19060971 4 I190640592 A21087459 7 E19056431 3 G19061584 2 F19058430 2 G21096282 1 G19060095 2 I190642492 B21087492 2 E19056485 1 G19061582 5 E19057519 9 G21095766 6 G19060475 4 I190647713 B21087685 7 E19056572 6 H19061914 0 F19058495 6 G21095506 7 G19061195 4 K19067479 3 B21087869 2 E19056599 7 H19061913 9 G19060522 2 I210989925 G19061515 3 K19067813 6 B21087921 6 E19056576 7 H19062859 4 G19060189 1 E19056053 9 G19060097 2 K19067813 4 B21087970 2 E19056888 4 H19062313 7 H19062004 5 E19056217 6 G19059994 0 K19067899 5 B21087703 1 E19056601 1 H19062321 9 H19062035 3 E19056072 0 G19060971 5 K19067813 7 B21087970 9 E19056888 5 H19062927 4 H19062309 9 E19056256 7 F19058536 5 I190647669 B21088167 0 E19056597 8 H19062883 1 H19062120 7 E19056235 7 F19059591 7 I190651335 B21088177 2 E19056597 9 H19062993 2 H19062032 0 E19056221 4 G19061301 4 I190646997 B21087970 1 E19057367 1 H19062859 5 G19060522 1 E19056221 3 G19061111 1 I190651976 C21088730 0 E19057800 9 H19063029 5 H19062084 1 E19057367 3 G19061069 3 J19066688 6 C21089181 7 E19057741 1 H19062729 1 I190641402 E19057369 2 H19062308 4 J19066185 9 C21089298 1 E19057436 1 H19062751 1 I190644523 E19057520 1 H19062350 2 J19065361 6 C21089607 7 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 3/14 Table 1, List of potentially impacted generator set serial numbers E19056317 3 I190640301 I190648418 E19057520 2 H19062225 0 J19065361 7 C21089298 0 E19056628 4 I190644711 K19068262 4 E19057367 2 H19062120 3 J19066053 8 C21089906 0 E19057739 1 I190642473 J19067418 3 E19056945 2 G19061515 5 J19066057 5 C21089906 1 E19057737 1 I190646151 J19067349 5 E19056951 2 H19062039 1 J19066593 4 C21089905 6 F19058563 6 I190642531 J19067349 6 E19056631 4 G19060881 1 J19066593 5 C21089905 9 F19058560 5 I190644521 J19067349 7 E19056514 5 H19062350 4 J19066687 5 C21089962 1 F19058913 9 I190641532 K19068262 5 E19056573 2 H19062463 1 J19066687 4 C21089961 8 F19058907 2 I190644693 K19068455 8 E19057371 1 H19062351 9 J19066704 6 C21090097 4 E19057805 7 I190646132 K19067899 7 E19057735 2 H19062350 5 J19066704 7 C21090097 5 E19058003 2 I190646118 L19069338 8 E19056223 1 H19062004 3 C20074642 4 C21090249 4 F19059591 8 I190646152 A20070651 6 E19056485 6 H19062313 8 J19066758 6 D21090635 5 F19059884 1 I190642512 A20070793 9 E19056485 7 H19062224 7 J19065327 7 D21090634 9 F19058917 1 I190644519 C20074166 4 E19056287 3 H19062087 2 J19065327 8 D21091059 9 F19058915 2 I190644692 E20076083 3 E19055973 6 H19062087 1 J19067243 5 D21090905 0 F19058134 2 I190644517 E20076067 5 E19056424 5 H19062224 8 J19067242 7 D21090904 4 F19058794 8 I190644691 K20084328 6 E19056485 3 H19062322 0 J19067206 6 D21090635 4 F19058794 9 I190644676 H20080391 7 E19056485 4 H19062460 8 K19068456 2 D21091587 0 E19058005 1 I190646056 H20080419 8 E19056485 2 H19062224 6 J19067349 4 D21091681 8 E19058003 3 I190646131 K20084603 1 E19056424 4 G19061515 4 K19068378 1 D21091059 8 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 4/14 Table 1, List of potentially impacted generator set serial numbers E19057800 8 I190644520 K20084712 8 E19056280 7 H19062120 2 J19066758 8 D21091965 6 F19058077 8 I190651402 J20083500 0 E19056951 3 H19062038 8 K19068456 1 D21091838 8 F19058496 7 J19065272 0 K20084249 9 F19058560 6 H19062224 5 K19068463 4 D21091923 8 F19059337 8 J19065272 2 L20084894 7 F19058534 8 H19062004 2 K19068461 5 D21091682 0 F19059525 1 J19066059 4 K20084843 1 F19058794 7 H19062087 3 K19068655 5 D21091923 7 F19059345 1 J19066184 1 I200816586 F19058883 4 H19062453 8 A20070651 4 D21091838 9 F19059497 4 J19066593 6 H20080517 9 F19058880 8 H19062461 2 A20070678 7 E21093118 4 F19059504 0 K19067479 1 K20084606 3 F19058872 3 H19062224 9 A20070962 3 E21093117 6 G19059986 0 K19067955 4 K20083859 5 F19058872 2 H19062607 0 A20071093 4 E21093118 1 G19060522 6 K19068337 0 K20084134 0 F19059089 1 H19062617 3 A20071098 1 E21093000 0 G19060193 2 K19068337 2 K20084605 9 F19059345 2 H19062540 3 A20071055 9 E21092906 2 G19060809 9 K19068378 0 K20084250 1 F19059344 8 H19062615 9 A20071240 3 E21092817 9 G19061334 9 K19068337 1 K20084099 3 F19059344 9 H19062552 4 A20071237 5 E21092874 9 G19061344 4 K19068655 4 K20084444 7 F19058134 3 H19062453 9 A20071285 5 D21091981 6 G19061515 7 K19068461 4 K20084475 2 F19058425 4 H19062620 4 A20070261 5 E21092874 8 G19061532 3 K19068991 7 K20084172 8 F19058078 0 H19062723 6 L19069670 1 E21092818 0 G19061587 1 K19067899 3 L20085588 4 F19059504 2 H19062723 4 L19069670 2 E21092815 6 G19061515 2 K19068991 6 L20085330 5 F19059497 6 H19062689 1 L19069538 3 E21092815 5 G19060741 1 K19068992 0 A21085726 3 F19059442 0 H19062613 7 L19069596 9 E21093118 5 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 5/14 Table 1, List of potentially impacted generator set serial numbers G19060809 8 K19068991 8 A21086401 8 F19059087 2 H19062689 3 L19069977 4 E21093118 7 G19061300 1 L19069138 4 A21086416 1 F19059442 1 H19062686 2 L19069842 6 E21093117 8 G19060973 2 L19069339 5 A21086201 2 F19059505 2 H19062723 5 L19070050 8 E21093118 6 G19061273 6 L19069339 6 A21086180 9 F19059497 5 H19062351 8 L19070110 9 F21093602 3 G19061266 7 L19069442 3 A21086605 5 F19059524 2 H19062615 7 A20070450 7 F21093602 4 G19060880 3 F19058077 6 A21086130 3 F19058873 2 H19062927 8 A20070451 4 F21093635 0 G19061300 0 F19058794 5 A21086125 1 F19059524 5 H19062689 2 A20071287 4 F21094161 5 G19061273 5 F19058794 6 A21086605 1 F19058425 2 H19062615 8 A20071337 7 F21094161 6 G19060161 0 E19057159 1 A21085763 0 F19058134 4 H19062607 1 A20071811 9 F21094162 2 G19060191 2 E19057161 1 A21086735 9 E19057436 0 H19062993 1 A20072181 5 F21094161 9 G19060097 1 E19057023 3 A21086954 3 F19059083 5 I190635311 B20072299 5 F21094173 9 G19061069 4 E19057103 1 B21087970 7 F19058873 5 I190636077 B20072326 2 F21094174 0 G19061111 2 E19057100 5 A21086960 8 F19058873 4 I190636081 B20072296 2 F21094174 1 G19061273 7 E19057157 1 A21087016 5 F19058460 3 I190635292 B20072332 1 F21094162 0 G19061301 5 E19057157 2 C21088936 1 F19058873 1 I190636080 B20072604 0 D21090635 9 G19061311 1 H19061913 5 C21089822 5 F19059527 1 I190637207 B20072604 1 D21091586 9 G19061299 9 H19061913 6 C21089607 6 F19059591 6 I190637102 L19069339 7 D21091839 0 G19060809 7 H19063025 2 C21090253 3 F19058495 5 I190637101 K19068831 6 D21091587 7 G19060841 7 I190640591 D21091587 6 F19058534 7 I190636078 K19068832 0 F21094174 2 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 6/14 Table 1, List of potentially impacted generator set serial numbers G19060880 2 I190640611 E21093118 2 E19057520 0 I190635331 K19068886 1 F21094162 1 G19060809 6 H19061913 7 E21092818 1 F19058077 9 I190637231 K19068886 0 F21094161 4 G19060738 2 I190648006 E21092975 8 F19059504 3 I190646057 K19068917 4 F21094697 4 G19060169 2 H19062079 3 E21093323 8 F19058460 6 I190637467 K19068917 6 F21094697 5 G19060171 1 I190648007 F21094911 5 F19059440 4 I190637619 K19068917 7 F21094982 0 F19059953 1 I190647704 F21094384 9 F19058001 7 I190646994 K19068992 1 G21095095 6 F19059923 0 I190648385 F21094385 2 F19058003 4 I190646993 L19069136 9 F21094982 1 F19059953 2 I190648402 F21094385 0 E19058005 2 I190641403 L19069444 6 G21095277 7 G19060475 3 L19069669 9 G21095030 5 F19058134 5 I190637641 B20072418 8 G21095166 0 F19059891 4 I190651966 I210988220 F19059443 1 I190637232 B20072326 3 F21094901 4 F19059923 1 J19067418 4 I210988218 E19057435 9 I190640399 B20072604 2 G21095141 7 G19060738 0 L19069927 3 H21097789 9 F19059440 3 I190637617 B20072754 5 G21095141 6 G19060841 6 L19069717 4 H21097790 0 F19058460 5 I190646996 B20073393 5 H19062319 5 G19060522 5 B20073530 5 H21097037 7 F19058460 4 I190647706 B20073388 6 I190651403 G19059989 9 B20073530 4 I210988219 F19058425 3 I190646995 B20073393 4 L20085629 7 F19059949 6 L19069966 5 F21094695 0 G19060875 2 I190646956 B20073530 7 B21087685 8 G19061345 7 B20073679 5 G21095745 3 G19061073 1 I190637618 C20073888 4 C21088936 0 G19061344 3 A20070476 0 G21095030 7 G19060676 3 I190637651 C20073882 9 G21095766 5 G19061337 9 A20070583 7 F21094695 1 G19061106 9 I190640356 C20074166 2 G21095506 2 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 7/14 Table 1, List of potentially impacted generator set serial numbers G19061345 6 A20070651 7 F21094695 3 G19061107 0 I190640400 C20074286 2 F19059918 6 A20070678 5 F21094695 2 G19061069 2 I190640593 C20074286 1 G19060095 1 A20071397 4 I210989703 F19059524 4 I190640612 C20074384 6 G19061338 0 A20071337 8 H21097037 5 F19059591 5 I190640631 C20074391 4 G19061338 1 A20072179 5 H21097509 3 F19059891 2 I190640398 C20074480 9 H19062927 5 B20072419 6 H21097037 4 F19059891 3 I190637616 C20074481 0 To determine if a particular MCCB is impacted, follow the “Date Code Identification Guidance” below, per the safety notice, PRB-233066, of Schneider Electric. Comply to local safety procedures and LOTO the unit before beginning to inspect the date code. Date Code Identification Guidance There are 2 steps to determine whether a particular MCCB is impacted. Step 1: Inspect 5-digit date code on the front faceplate cover of the MCCB. Check if the 5-digit date code on the front faceplate cover is within the date code window of Table 2. If it is, go to Step 2. If it is not, then the breaker is not impacted. Table 2, Date code window for front faceplate cover Step 1 – Impacted Date Code window Interpretation of the date code 19284 to 21145 From 4 day of 28 week of 2019 to 5 day of 14 week of 2021 th th th th 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 8/14 Figure 1, Front faceplate cover of MCCB with date code printed Step 2: Inspect Block date code on side label of the MCCB. Check if the Block date code, starting with “TC”, is within the date code window of table 3. If it is, then it can be confirmed that the breaker is impacted, refer to Service Instructions of TSB. If it is not within the date code window or it does not start with “TC”, then the breaker is not impacted. Table 3, Block date code window for side label Step 2 – Impacted Block Date Code window Interpretation of the date code TC-2019-W21-3 to TC-2019-W22-2 TC-2019-W24-2 to TC-2019-W24-4 TC-2019-W46-2 to TC-2019-W47-3 TC-2019-W51-5 to TC-2021-W14-4 TC-19366-U1 means made on 6th day of 36th week of 2019. (Alternate Date Code Format: TC-2019-W36-6- U1) 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 9/14 Figure 2, Side label with block date code on the MCCB. Table 4, Affected MCCB models Schneider Electric Part Number of MCCB Cummins Part Number of MCCB LGL36400U33XSO A057L891 LGL36400U33XABUOMO A055A272 Resolution Impacted breakers will need to be repaired according to the repair procedure provided by Schneider Electric. Refer to Service Instructions of the TSB for details. Service Instructions 1. Comply to local safety procedures and LOTO the unit before beginning to inspect the date code. 2. Use below authorization details to: 2a. Claim for the time required to inspect the date code 2b. Get the MCCB repaired (if required) 2c. Travel (Allowing 2 trips. 1 trip for the inspection and 1 trip, if needed, to repair the breaker) Campaign Authorization Details: Authorization Code – 4776 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 10/14 Account code – 65 Fail code – GK-CB-WP Parts – Technician to work with Schneider Electric for repair Travel – Allowing no more than 2 trips. 1 trip for the inspection and 1 trip, if needed, to repair the breaker. Expiration Date- This campaign does not expire SRTs for inspection of only front faceplate date code – 0.86 00-902 – Admin time – 0.7 99-999 – Inspect breaker for front faceplate cover date code – 0.16 Includes: Disconnect/connect battery Disconnect/connect generator from bus SRTs for inspection of front faceplate date code and block date code – 0.9 00-902 – Admin time – 0.7 17-107 – Circuit breaker panel R&I – 0.2 Includes: Disconnect/connect battery Disconnect/connect generator from bus Remove/install main circuit breaker cover panel (to access the side label) SRTs for inspection of front faceplate date code, block date code and repair of breaker – 2.63 Trip 1 – Inspection of front faceplate date code and block date code – 0.9 Trip 2 – 00-902 – Admin time and 17-107 – Circuit breaker panel R&I – 0.9 99-999 – Repair the breaker – 0.33 14-704 – Generator set – Test run with load – 0.5 3. Refer to important safety information from Schneider Electric below. Safety instructions for any intervention including product date code identification. 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 11/14 Figure 3, Important Information Figure 4, Safety Instructions 4. Breakers which are identified as impacted based on the date code will need to be repaired. For repair, contact Schneider Electric directly, follow steps below. Schneider Electric will provide information on repair procedure and parts required. 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 12/14 4a. If the breaker is repaired, test-run the generator set to check for its normal operation after the repair work is completed. 5. Verify the location of the affected MCCB in your facility then complete the below form or contact Schneider Electric local helpdesk (Customer Care Center Chat or 888-SQUARED, mention PRB- 233066). 6. Fill in the below form, scan, and e-mail to: [email protected] OR Scan it and return to: Schneider Representative (s) ……………………………………………………………………………………………………………………………………………………. ……………………………………………………………………………………………………………………………………………………. ……………………………………………………………………………………………………………………………………………………. Date:……………………………………………………………….. Product Safety Notice PRB-233066 End User information sheet End User CUSTOMER INFORMATION SECTION: Please state your full name and title………………………………………………………………………………………………… Please confirm your company name and address Company…………………………………………………………………………………………………………………………………….. Address……………………………………………………………………………………………………………………………………….. City………………………………………….. State…………………………………………. Zip Code………………………………. Please provide your: Phone number: ( )…………………………………………………………………………………………… Mobile number: ( ) ………………………………………………………………………………………………………………………. Email address: …………………………………………………………………………………………………………………………….. Please Tick the appropriate option: ☐ We have received the Safety Notice and have understood the potential safety risk with the MCCB 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 13/14 ☐ This does NOT impact me, please remove me from your mailing list For Impacted PowerPact L 250 – 600A please complete this location INFORMATION SECTION We, [end User Customer], declare having identified impacted products ☐ Yes ☐ No Quantity of product impacted identified:………………………….. Full location information: Company Site………………………………………………………………………………………………………………………………. Address……………………………………………………………………………………………………………………………………….. City………………………………………….. State…………………………………………. Zip Code………………………………. Location in Site/Equipment Designation: …………………………………………………………………………………………………………………………………………………… Signature……………………………………………………………………………..Date……………………………………………….. Print Name…………………………………………………………………………..Title……………………………………………….. Additional Comments:………………………………………………………………………………………………………………….. …………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………… Document History Last Modified: 13-Jan-2022 Date Details 2021-11-12 Module Created 1/14/22, 3:17 PM Safety Warranty Campaign #4776: Inspection for Potential Unsafe Condition of PowerPact L 250A-600A Molded Case Circuit Bre… https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2021/tsb210251.html 14/14

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C. *** IMPORTANT SAFETY RECALL*** NHTSA Recall No. 21V-888 Cummins Campaign ##C4776 January 14, 2022 Trailer-Mounted Generators for NHTSA Recall 21V-888: Generator Model R100T4-1963097 R100T4-1963099 R100T4-1963098 R100T4-1963100 R100T4-1963102 Cummins Inc. Box 3005 Columbus, IN 47202-3005 USA Mail Code: 40911 Phone 1 800 CUMMINS care.cummins.com Generator Serial Number E190570233 E190571005 E190571031 E190571571 E190571572 Trailer Vehicle Identification Number 5FTCG1629K20 5FTCG1623K20 5FTCG1629K20 5FTCG1624K20 5FTCG1622K20 C. January 14, 2022 *** IMPORTANT SAFETY RECALL*** NHTSA Recall No. 21V-888 Cummins Campaign #C4776 Dear Cummins Customer: This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Cummins Inc. has decided that a defect which relates to motor vehicle safety exists in certain Cummins Power Generation C70D2RE and C1 00D2RE trailer-mounted generator sets that were manufactured between May 1, 2019 and October 13, 2021. This notice applies to the generator(s) listed on the enclosed table. WHAT IS THE PROBLEM? Your generator may have been manufactured with Schneider Electric Molded Case Circuit Breakers having a nonconforming component that may result in the circuit breaker not operating as intended under certain conditions. Cummins is recalling these generators to implement a Product Safety Notice issued by Schneider Electric. If the ci rcuit breaker fails to operate properly, there is a risk of fire electric shock, burn, explosion or arc flash, possibly resulting in personal injury. WHAT ARE WE DOING ABOUT THE PROBLEM? Cummins has released Safety Campaign #C4776 – Schneider L-Series Brkr-Safety-Mobile to address this condition by inspecting the circuit breaker to check the date code and, if a suspect ci rcuit breaker is identified, repairing it or replacing it with a new ci rcuit breaker. This campaign is currently available at Cummins Distributors and authorized Warranty Dealers. The repair will be completed free of charge and most applications will require approximately 4 hours to complete. WHAT SHOULD YOU DO? Contact the nearest Cummins Distributor or authorized Warranty Dealer to arrange to have this safety action performed on your generator. The distributor or dealer will work with you to schedule the best date to complete this repair. In the meantime, Cummins advises you to apply the warning label provided by Schneider Electric to your generator to warn of the potential hazard until the unit can be inspected and a new circuit breaker installed if necessary. The warning label and instructions are enclosed. If you have questions or concerns about this recall, please contact your local Cummins Distributor or authorized warranty dealer. You may also contact Cummins Care at 1-800- CUMMINS (1-800- 286-6467), or visit our website at care.cummins.com. Cummins Inc. Box 3005 Columbus, IN 47202 – 3005 USA Mail Code: 40911 Phone: 1 800 CUMMINS care cummi’ls.can Cummins Inc. Box 3005 Columbus, IN 47202 – 3005 USA Mail Code: 40911 Phone: 1 800 CUMMINS care cummins.com If you have a complaint relative to this recall, you may report it to the following: Administrator National Highway Traffic Safety Administration 1200 New Jersey Avenue, SE Washington, DC 20590 You may also call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov. If you have not registered your Cummins product, please complete the enclosed registration card or register your product at https://prodreg.cummins.com/prodreg/#/webform/contactInfo. If you are no longer the owner of the generators(s) listed on the enclosed table, please forward this notice to the new owner or provide the new owner’s contact information to Cummins so that we can notify them of this recall. Federal law requires vehicle lessors receiving this recall notice to forward a copy of this notice to the lessee within ten (10) days. Also, it is a violation of Federal law for a dealer to deliver a new vehicle or equipment covered by this recall notice under a sale or lease until the defect has been remedied. Cummins is taking this action in the interest of your safety and satisfaction with our products. We apologize for any inconvenience and thank you for your attention to this matter. Sincerely, Campaign Administrator Cummins Inc. Enclosure (Warning Label and Instructions) Cummins Inc. Box 3005 Columbus, IN 47202 – 3005 USA Mail Code: 40911 Phone: 1 800 CUMMINS care cummins.com Instructions to Apply the Warning Label Before applying the label on the unit, please comply with all standard safety procedures described in the Operation Manual. The unit must be electrically and mechanically deenergized. Print the warning label, Figure 1 below, provided by Schneider Electric and apply it on the unit. It is recommended that the warning label be mounted on the control panel such that it is clearly visible to the operator. The label must not cover the operator panel, buttons or any other accessories on the control panel. The label must remain in place and visible until the Cummins Safety Campaign (#C4776) can be completed on the unit. In the meantime, the unit can stay in operation. Figure 1: Warning Label provided by Schneider Electric

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CUMMINS WARRANTY MEMO Subject: Interim Notification Regarding PSBU Safety Campaigns 4775 and 4776 to address the concern raised by the Product Safety Notice, PRB-233066, from Schneider Electric in PowerPact L 250-600A Molded Case Circuit Breakers Number: m2135 Date: 06-Jan-2022 Attention: Worldwide Distributors/Branches and Division/Regional Offices U.S./Canada Warranty Dealers (Power Gen) —————————————————————- If additional information is required, contact your local Warranty FE Lead or Warranty Operations Group Leader. —————————————————————- This Memo is for information only and will not result in a change to the Warranty Administration Manual. —————————————————————- PURPOSE: The purpose of this memo is to notify repair locations that Cummins Inc. is initiating end-user notification mailings regarding a safety defect on certain population of PowerPact L 250-600A Molded Case Circuit Breakers (MCCBs) as reported by supplier, Schneider Electric via their Product Safety Notice, PRB-233066. DISCUSSION: Schneider Electric notified Cummins that a population of PowerPact L 250-600A MCCBs may contain a safety issue requiring urgent attention due to “a nonconforming component in its mechanism that may result in the circuit breaker not operating as intended under certain conditions. Should this condition occur, a potential for PERSONAL INJURY AND/OR PROPERTY DAMAGE may exist”. Cummins is actively working to identify the serial numbers of the generator sets and transfer switches potentially affected by this issue to launch two Safety Campaigns in the near future (Campaign 4775 – TSB210252 for stationary application and Campaign 4776 – TSB210251 for mobile application). Until that time, Cummins is requesting end-users to apply the warning label provided by Schneider Electric on the unit’s control panel. The Safety Campaigns are expected to be published on QuickServe Online in January 2022. Cummins will contact end-users by mail when the Campaigns are published. In the meantime, Cummins is not recommending that end-users take the units out of operation. Cummins is recommending that units be remedied under the Safety Campaign as soon as the remedy is available. Figure 1: Warning label provided by Schneider Electric. ACTION: Distributors and dealers are requested to look for the new Safety Campaigns going to be published in January on QSOL. Cummins expects to begin notifying owners in January 2022 with letters informing them about the safety defect and instructing them to apply the warning label pending publication of the Safety Campaigns. C100D6C DQGAA C50D6C DQCB DQPAA DQCA MDDCM MDDCS C125D6C DQGAB C60D6C DQCC DQPAB C50N6 MDDCH MDDCS55 C125D6D DQGAE C80D6C DQDAA DSGAD C60N6 MDDCJ MDDCY C125N6 DQGAF GGHG DQDAB DSGAE C70N6 MDDCN OTPCSEB C150D6D DQGAH GGHH DQDAC DSHAD C80N6 MDDCT OTECSEB C150N6 DQHAB DFEJ DQFAB DSGAB C100N6 MDDCG C100D2RE C175D6D DQKAD DFEK DQFAD DSGAC DQKAM MDDCR C70D2RE C200D6D DQKAE GGHJ DQFAA DQFAC DQKAF DQFAH Table 1: List of potentially affected generator set models and transfer switches (built between April 2019 to November 2021) Schneider Electric Part Number of MCCB Cummins Part Number of MCCB NLGL36600U33X A044T468 NLGL36400U33XLY A045U085 LGL36400CU44X A064W935 LGL36400CU33XLD1 A051D115 NLGL36250U33X A045U091 LJA36600U53XEHAASKYH1 A062U517 LJA36400U54XEHACSKYH2 A063K603 LGL36400U44X A062H994 LGL36600U44X A062H807 NLGL36600U43X A045C704 NLGL36400U33X A045U084 LGL36600U33X A045C705 LGL36400U33XSO A057L891 LGL36400U33XABUOMO A055A272 Table 2: Affected MCCB models

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-888 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Cummins, Inc. Submission Date : JUN 16, 2022 NHTSA Recall No. : 21V-888 Manufacturer Recall No. : C4776 Manufacturer Information : Manufacturer Name : Cummins, Inc. Address : Box 3005 Mail Code COB118 Columbus IN 47202-3005 Company phone : 812-377-5000 Population : Number of potentially involved : 847 Estimated percentage with defect : 20 % Vehicle Information : Vehicle 1 : 2019-2021 Cummins Power Generation C70D2RE Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Cummins Power Generation generator sets mounted on trailers manufactured and certified by a third-party manufacturer. (Felling Trailers, Inc.) Cummins is recalling these generator sets to implement a Product Safety Notice issued by the supplier of circuit breakers installed on the generator sets. Because Cummins is unable to associate circuit breaker date codes with specific genset serial numbers, Cummins is recalling the full population of 385 generator sets of this model manufactured during the relevant production date range for inspection to identify the suspect circuit breakers (by part numbers and date codes). Cummins estimates that approximately 20 percent of this population may be equipped with the defective circuit breakers. Production Dates : MAY 01, 2019 – OCT 06, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 21V-888 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 2 : 2019-2021 Cummins Power Generation C100D2RE Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Cummins Power Generation generator sets mounted on trailers manufactured and certified by a third-party manufacturer. (Felling Trailers, Inc.) Cummins is recalling these generator sets to implement a Product Safety Notice issued by the supplier of circuit breakers installed on the generator sets. Because Cummins is unable to associate circuit breaker date codes with specific genset serial numbers, Cummins is recalling the full population of 462 generator sets of this model manufactured during the relevant production date range for inspection to identify the suspect circuit breakers (by part numbers and date codes). Cummins estimates that approximately 20 percent of this population may be equipped with the defective circuit breakers. Production Dates : MAY 01, 2019 – OCT 13, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : According to the supplier, certain Molded Case Circuit Breakers (MCCBs) may contain a nonconforming component that may result in the circuit breaker not operating as intended under certain conditions. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : According to the MCCB supplier, should this condition occur, a potential for personal injury and/or property damage may exist. According to the MCCB supplier, there may exist a “HAZARD OF ELECTRICAL SHOCK, BURN, EXPLOSION or ARC FLASH”. We note, however, that Cummins generator controls are designed with features that will provide short-circuit protection and mitigate the potential for personal injury and/or property damage. Description of the Cause : The supplier of the subject circuit breaker reported that the subject MCCBs “may contain a nonconforming component.” Identification of Any Warning that can Occur : None. Involved Components : Component Name 1 : Breaker Component Description : Schneider Electric PowerPact L 250-600A circuit breaker Component Part Number : A057L891 Part 573 Safety Recall Report 21V-888 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 2 : Breaker Component Description : Schneider Electric PowerPact L 250-600A circuit breaker Component Part Number : A055A272 Supplier Identification : Component Manufacturer Name : Schneider Electric Address : 70 Mechanic Street Foxboro Massachusetts 02035 Country : United States Chronology : 20 Oct 2021 – Cummins received a written “Product Safety Notice/Notice of Potential Unsafe Condition” from Schneider Electric regarding the subject circuit breakers. 21 Oct – 3 Nov 2021 – Cummins investigated the issue, including conducting a search of warranty claims. Cummins identified 11 warranty claims for replacement of defective circuit breakers which may possibly be due to this condition. 9Nov2021 – Cummins decided to implement the safety action initiated by Schneider Electric by conducting a safety recall of the generator sets that may have been built with the subject circuit breakers. To date, Cummins has received no reports of accidents or injuries due to this condition. 16Nov2021 – Cummins filed its initial defect notification with NHTSA. 17Nov2021 – Cummins has subsequently determined that the production end date for the C100D2RE units in the recall populations was October 13, 2021. 16May2022 – Cummins completed a Product Safety Hazard Analysis to evaluate the potential risks that this condition may present in Cummins generator sets, with consideration given to application-specific design features. 2Jun2022 – After further investigation and analysis, Cummins concluded that Cummins generator controls contain features that will provide short-circuit protection should the condition in the MCCB occur, thus mitigating the potential for personal injury and/or property damage. Nonetheless, by way of this Cummins safety recall, Cummins will continue to implement the Product Safety Notice issued by the supplier of the circuit breakers installed on the generator sets. Part 573 Safety Recall Report 21V-888 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : Cummins will conduct a safety recall to implement the Schneider Electric safety action. Generator sets will be inspected to check the date code of the circuit breakers. If a suspect circuit breaker is identified during inspection, it will be repaired or replaced with a new circuit breaker. A product failure occurring during the warranty period would have been covered under the manufacturer’s limited warranty, but Cummins will submit a recall-specific reimbursement plan to the Recalls Portal for those units that may have failed outside of the warranty period. How Remedy Component Differs from Recalled Component : The remedy component will have a different date code than the recalled component. Identify How/When Recall Condition was Corrected in Production : Cummins confirmed with build records that the last dates of manufacture for the affected recall population is Oct 6, 2021 for model C70D2RE and Oct 13, 2021 for model C100D2RE. Recall Schedule : Description of Recall Schedule : Cummins expects to publish a Safety Campaign to dealers and distributers no later than 1/14/2022 and to mail owner letters no later than 1/14/2022. Planned Dealer Notification Date : JAN 14, 2022 – JAN 14, 2022 Planned Owner Notification Date : JAN 14, 2022 – JAN 14, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-888 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Cummins, Inc. Submission Date : DEC 20, 2021 NHTSA Recall No. : 21V-888 Manufacturer Recall No. : C4776 Manufacturer Information : Manufacturer Name : Cummins, Inc. Address : Box 3005, Mail Code 41303 Columbus IN 47202-3005 Company phone : 812-377-5000 Population : Number of potentially involved : 847 Estimated percentage with defect : 20 % Vehicle Information : Vehicle 1 : 2019-2021 Cummins Power Generation C100D2RE Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Cummins Power Generation generator sets mounted on trailers manufactured and certified by a third-party manufacturer. (Felling Trailers, Inc.) Cummins is recalling these generator sets to implement a Product Safety Notice issued by the supplier of circuit breakers installed on the generator sets. Because Cummins is unable to associate circuit breaker date codes with specific genset serial numbers, Cummins is recalling the full population of 462 generator sets of this model manufactured during the relevant production date range for inspection to identify the suspect circuit breakers (by part numbers and date codes). Cummins estimates that approximately 20 percent of this population may be equipped with the defective circuit breakers. Production Dates : MAY 01, 2019 – OCT 13, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 21V-888 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 2 : 2019-2021 Cummins Power Generation C70D2RE Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Cummins Power Generation generator sets mounted on trailers manufactured and certified by a third-party manufacturer. (Felling Trailers, Inc.) Cummins is recalling these generator sets to implement a Product Safety Notice issued by the supplier of circuit breakers installed on the generator sets. Because Cummins is unable to associate circuit breaker date codes with specific genset serial numbers, Cummins is recalling the full population of 385 generator sets of this model manufactured during the relevant production date range for inspection to identify the suspect circuit breakers (by part numbers and date codes). Cummins estimates that approximately 20 percent of this population may be equipped with the defective circuit breakers. Production Dates : MAY 01, 2019 – OCT 06, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : According to the supplier, certain Molded Case Circuit Breakers (MCCBs) may contain a nonconforming component that may result in the circuit breaker not operating as intended under certain conditions. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : According to the MCCB supplier, should thismight exist a “HAZARD OF ELECTRIC SHOCK, BURN, EXPLOSION OR ARC FLASH”. condition occur, a potential for personal injury and/or property damage may exist. According to the MCCB supplier, there may exist a “HAZARD OF ELECTRIC SHOCK, BURN, EXPLOSION or ARC FLASH”. Description of the Cause : The supplier of the subject circuit breaker reported that the subject MCCBs “may contain a nonconforming component.” Identification of Any Warning that can Occur : None. Involved Components : Component Name 1 : Breaker Component Description : Schneider Electric PowerPact L 250-600A circuit breaker Component Part Number : A057L891 Part 573 Safety Recall Report 21V-888 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 2 : Breaker Component Description : Schneider Electric PowerPact L 250-600A circuit breaker Component Part Number : A055A272 Supplier Identification : Component Manufacturer Name : Schneider Electric Address : 70 Mechanic Street Foxboro Massachusetts 02035 Country : United States Chronology : 20 Oct 2021 – Cummins received a written “Product Safety Notice/Notice of Potential Unsafe Condition” from Schneider Electric regarding the subject circuit breakers. 21 Oct – 3 Nov 2021 – Cummins investigated the issue, including conducting a search of warranty claims. Cummins identified 11 warranty claims for replacement of defective circuit breakers which may possibly be due to this condition. 9 Nov 2021 – Cummins decided to implement the safety action initiated by Schneider Electric by conducting a safety recall of the generator sets that may have been built with the subject circuit breakers. To date, Cummins has received no reports of accidents or injuries due to this condition. 16Nov2021 – Cummins filed its initial defect notification with NHTSA. 17Nov2021 – Cummins has subsequently determined that the production end date for the C100D2RE units in the recall populations was October 13, 2021. Description of Remedy : Description of Remedy Program : Cummins will conduct a safety recall to implement the Schneider Electric safety action. Generator sets will be inspected to check the date code of the circuit breakers. If a suspect circuit breaker is identified during inspection, it will be repaired or replaced with a new circuit breaker. A product failure occurring during the warranty period would have been covered under the manufacturer’s limited warranty, but Cummins will submit a recall-specific reimbursement plan to the Recalls Portal for those units that may have failed outside of the warranty period. Part 573 Safety Recall Report 21V-888 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 How Remedy Component Differs from Recalled Component : The remedy component will have a different date code than the recalled component. Identify How/When Recall Condition was Corrected in Production : Cummins confirmed with build records that the last dates of manufacture for the affected recall population is Oct 6, 2021 for model C70D2RE and Oct 13, 2021 for model C100D2RE. Recall Schedule : Description of Recall Schedule : Cummins expects to publish a Safety Campaign to dealers and distributers no later than 1/14/2022 and to mail owner letters no later than 1/14/2022. Planned Dealer Notification Date : JAN 14, 2022 – JAN 14, 2022 Planned Owner Notification Date : JAN 14, 2022 – JAN 14, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-888 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Cummins, Inc. Submission Date : NOV 16, 2021 NHTSA Recall No. : 21V-888 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Cummins, Inc. Address : Box 3005, Mail Code 41303 Columbus IN 47202-3005 Company phone : 812-377-5000 Population : Number of potentially involved : NR Estimated percentage with defect : 20 % Vehicle Information : Vehicle 1 : 2019-2021 Cummins Power Generation C70 Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Cummins Power Generation generator sets mounted on trailers manufactured and certified by a third-party manufacturer. (Felling Trailers, Inc.) Cummins is recalling these generator sets to implement a Product Safety Notice issued by the supplier of circuit breakers installed on the generator sets. Because Cummins is unable to associate circuit breaker date codes with specific genset serial numbers, Cummins is recalling the full population generator sets of this model manufactured during the relevant production date range for inspection to identify the suspect circuit breakers (by part numbers and date codes). Cummins estimates that approximately 20 percent of this population may be equipped with the defective circuit breakers. Production Dates : MAY 01, 2019 – OCT 06, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 21V-888 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 2 : 2019-2021 Cummins Power Generation C100 Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Cummins Power Generation generator sets mounted on trailers manufactured and certified by a third-party manufacturer. (Felling Trailers, Inc.) Cummins is recalling these generator sets to implement a Product Safety Notice issued by the supplier of circuit breakers installed on the generator sets. Because Cummins is unable to associate circuit breaker date codes with specific genset serial numbers, Cummins is recalling the full population of generator sets of this model manufactured during the relevant production date range for inspection to identify the suspect circuit breakers (by part numbers and date codes). Cummins estimates that approximately 20 percent of this population may be equipped with the defective circuit breakers. Production Dates : MAY 01, 2019 – SEP 22, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : According to the supplier, certain Molded Case Circuit Breakers (MCCBs) may contain a nonconforming component that may result in the circuit breaker not operating as intended under certain conditions. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : According to the MCCB supplier, should this condition occur, a potential for personal injury and/or property damage may exist. Description of the Cause : The supplier of the subject circuit breaker reported that the subject MCCBs “may contain a nonconforming component.” Identification of Any Warning that can Occur : None. Involved Components : Component Name 1 : Breaker Component Description : Schneider Electric PowerPact L 250-600A circuit breaker Component Part Number : A057L891 Part 573 Safety Recall Report 21V-888 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 2 : Breaker Component Description : Schneider Electric PowerPact L 250-600A circuit breaker Component Part Number : A055A272 Supplier Identification : Component Manufacturer Name : Schneider Electric Address : 70 Mechanic Street Foxboro Massachusetts 02035 Country : United States Chronology : NR Description of Remedy : Description of Remedy Program : How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Description of Recall Schedule : NR Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : NR – NR * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-888 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Cummins, Inc. Submission Date : NOV 23, 2021 NHTSA Recall No. : 21V-888 Manufacturer Recall No. : 21051 Manufacturer Information : Manufacturer Name : Cummins, Inc. Address : Box 3005, Mail Code 41303 Columbus IN 47202-3005 Company phone : 812-377-5000 Population : Number of potentially involved : 847 Estimated percentage with defect : 20 % Vehicle Information : Vehicle 1 : 2019-2021 Cummins Power Generation C100D2RE Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Cummins Power Generation generator sets mounted on trailers manufactured and certified by a third-party manufacturer. (Felling Trailers, Inc.) Cummins is recalling these generator sets to implement a Product Safety Notice issued by the supplier of circuit breakers installed on the generator sets. Because Cummins is unable to associate circuit breaker date codes with specific genset serial numbers, Cummins is recalling the full population of 462 generator sets of this model manufactured during the relevant production date range for inspection to identify the suspect circuit breakers (by part numbers and date codes). Cummins estimates that approximately 20 percent of this population may be equipped with the defective circuit breakers. Production Dates : MAY 01, 2019 – OCT 13, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 21V-888 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 2 : 2019-2021 Cummins Power Generation C70D2RE Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Cummins Power Generation generator sets mounted on trailers manufactured and certified by a third-party manufacturer. (Felling Trailers, Inc.) Cummins is recalling these generator sets to implement a Product Safety Notice issued by the supplier of circuit breakers installed on the generator sets. Because Cummins is unable to associate circuit breaker date codes with specific genset serial numbers, Cummins is recalling the full population of 385 generator sets of this model manufactured during the relevant production date range for inspection to identify the suspect circuit breakers (by part numbers and date codes). Cummins estimates that approximately 20 percent of this population may be equipped with the defective circuit breakers. Production Dates : MAY 01, 2019 – OCT 06, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : According to the supplier, certain Molded Case Circuit Breakers (MCCBs) may contain a nonconforming component that may result in the circuit breaker not operating as intended under certain conditions. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : According to the MCCB supplier, should thismight exist a “HAZARD OF ELECTRIC SHOCK, BURN, EXPLOSION OR ARC FLASH”. condition occur, a potential for personal injury and/or property damage may exist. According to the MCCB supplier, there may exist a “HAZARD OF ELECTRIC SHOCK, BURN, EXPLOSION or ARC FLASH”. Description of the Cause : The supplier of the subject circuit breaker reported that the subject MCCBs “may contain a nonconforming component.” Identification of Any Warning that can Occur : None. Involved Components : Component Name 1 : Breaker Component Description : Schneider Electric PowerPact L 250-600A circuit breaker Component Part Number : A057L891 Part 573 Safety Recall Report 21V-888 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 2 : Breaker Component Description : Schneider Electric PowerPact L 250-600A circuit breaker Component Part Number : A055A272 Supplier Identification : Component Manufacturer Name : Schneider Electric Address : 70 Mechanic Street Foxboro Massachusetts 02035 Country : United States Chronology : 20 Oct 2021 – Cummins received a written “Product Safety Notice/Notice of Potential Unsafe Condition” from Schneider Electric regarding the subject circuit breakers. 21 Oct – 3 Nov 2021 – Cummins investigated the issue, including conducting a search of warranty claims. Cummins identified 11 warranty claims for replacement of defective circuit breakers which may possibly be due to this condition. 9 Nov 2021 – Cummins decided to implement the safety action initiated by Schneider Electric by conducting a safety recall of the generator sets that may have been built with the subject circuit breakers. To date, Cummins has received no reports of accidents or injuries due to this condition. 16Nov2021 – Cummins filed its initial defect notification with NHTSA. 17Nov2021 – Cummins has subsequently determined that the production end date for the C100D2RE units in the recall populations was October 13, 2021. Description of Remedy : Description of Remedy Program : Cummins will conduct a safety recall to implement the Schneider Electric safety action. Generator sets will be inspected to check the date code of the circuit breakers. If a suspect circuit breaker is identified during inspection, it will be replaced with a new circuit breaker. A product failure occurring during the warranty period would have been covered under the manufacturer’s limited warranty, but Cummins will submit a recall-specific reimbursement plan to the Recalls Portal for those units that may have failed outside of the warranty period. Part 573 Safety Recall Report 21V-888 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 How Remedy Component Differs from Recalled Component : The remedy component will have a different date code than the recalled component. Identify How/When Recall Condition was Corrected in Production : Cummins confirmed with build records that the last dates of manufacture for the affected recall population is Oct 6, 2021 for model C70D2RE and Oct 13, 2021 for model C100D2RE. Recall Schedule : Description of Recall Schedule : Cummins expects to publish a Safety Campaign to dealers and distributers no later than 1/7/2022 and to mail owner letters no later than 1/14/2022. Planned Dealer Notification Date : JAN 07, 2022 – JAN 07, 2022 Planned Owner Notification Date : JAN 14, 2022 – JAN 14, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-888 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Cummins, Inc. Submission Date : NOV 19, 2021 NHTSA Recall No. : 21V-888 Manufacturer Recall No. : 21051 Manufacturer Information : Manufacturer Name : Cummins, Inc. Address : Box 3005, Mail Code 41303 Columbus IN 47202-3005 Company phone : 812-377-5000 Population : Number of potentially involved : 847 Estimated percentage with defect : 20 % Vehicle Information : Vehicle 1 : 2019-2021 Cummins Power Generation C70 Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Cummins Power Generation generator sets mounted on trailers manufactured and certified by a third-party manufacturer. (Felling Trailers, Inc.) Cummins is recalling these generator sets to implement a Product Safety Notice issued by the supplier of circuit breakers installed on the generator sets. Because Cummins is unable to associate circuit breaker date codes with specific genset serial numbers, Cummins is recalling the full population of 385 generator sets of this model manufactured during the relevant production date range for inspection to identify the suspect circuit breakers (by part numbers and date codes). Cummins estimates that approximately 20 percent of this population may be equipped with the defective circuit breakers. Production Dates : MAY 01, 2019 – OCT 06, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 21V-888 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 2 : 2019-2021 Cummins Power Generation C100 Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Cummins Power Generation generator sets mounted on trailers manufactured and certified by a third-party manufacturer. (Felling Trailers, Inc.) Cummins is recalling these generator sets to implement a Product Safety Notice issued by the supplier of circuit breakers installed on the generator sets. Because Cummins is unable to associate circuit breaker date codes with specific genset serial numbers, Cummins is recalling the full population of 462 generator sets of this model manufactured during the relevant production date range for inspection to identify the suspect circuit breakers (by part numbers and date codes). Cummins estimates that approximately 20 percent of this population may be equipped with the defective circuit breakers. Production Dates : MAY 01, 2019 – OCT 13, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : According to the supplier, certain Molded Case Circuit Breakers (MCCBs) may contain a nonconforming component that may result in the circuit breaker not operating as intended under certain conditions. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : According to the MCCB supplier, should this condition occur, a potential for personal injury and/or property damage may exist. Description of the Cause : The supplier of the subject circuit breaker reported that the subject MCCBs “may contain a nonconforming component.” Identification of Any Warning that can Occur : None. Involved Components : Component Name 1 : Breaker Component Description : Schneider Electric PowerPact L 250-600A circuit breaker Component Part Number : A057L891 Part 573 Safety Recall Report 21V-888 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 2 : Breaker Component Description : Schneider Electric PowerPact L 250-600A circuit breaker Component Part Number : A055A272 Supplier Identification : Component Manufacturer Name : Schneider Electric Address : 70 Mechanic Street Foxboro Massachusetts 02035 Country : United States Chronology : 20 Oct 2021 – Cummins received a written “Product Safety Notice/Notice of Potential Unsafe Condition” from Schneider Electric regarding the subject circuit breakers. 21 Oct – 3 Nov 2021 – Cummins investigated the issue, including conducting a search of warranty claims. Cummins identified 11 warranty claims for replacement of defective circuit breakers which may possibly be due to this condition. 9 Nov 2021 – Cummins decided to implement the safety action initiated by Schneider Electric by conducting a safety recall of the generator sets that may have been built with the subject circuit breakers. To date, Cummins has received no reports of accidents or injuries due to this condition. 16Nov2021 – Cummins filed its initial defect notification with NHTSA. 17Nov2021 – Cummins has subsequently determined that the production end date for the C100 units in the recall populations was October 13, 2021. Description of Remedy : Description of Remedy Program : Cummins will conduct a safety recall to implement the Schneider Electric safety action. Generator sets will be inspected to check the date code of the circuit breakers. If a suspect circuit breaker is identified during inspection, it will be replaced with a new circuit breaker. A product failure occurring during the warranty period would have been covered under the manufacturer’s limited warranty, but Cummins will submit a recall-specific reimbursement plan to the Recalls Portal for those units that may have failed outside of the warranty period. Part 573 Safety Recall Report 21V-888 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 How Remedy Component Differs from Recalled Component : The remedy component will have a different date code than the recalled component. Identify How/When Recall Condition was Corrected in Production : Cummins confirmed with build records that the last dates of manufacture for the affected recall population is Oct 6, 2021 for model C70 and Oct 13, 2021 for model C100. Recall Schedule : Description of Recall Schedule : Cummins expects to publish a Safety Campaign to dealers and distributers no later than 1/7/2022 and to mail owner letters no later than 1/14/2022. Planned Dealer Notification Date : JAN 07, 2022 – JAN 07, 2022 Planned Owner Notification Date : JAN 14, 2022 – JAN 14, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-888 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Cummins, Inc. Submission Date : DEC 10, 2021 NHTSA Recall No. : 21V-888 Manufacturer Recall No. : C4776 Manufacturer Information : Manufacturer Name : Cummins, Inc. Address : Box 3005, Mail Code 41303 Columbus IN 47202-3005 Company phone : 812-377-5000 Population : Number of potentially involved : 847 Estimated percentage with defect : 20 % Vehicle Information : Vehicle 1 : 2019-2021 Cummins Power Generation C70D2RE Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Cummins Power Generation generator sets mounted on trailers manufactured and certified by a third-party manufacturer. (Felling Trailers, Inc.) Cummins is recalling these generator sets to implement a Product Safety Notice issued by the supplier of circuit breakers installed on the generator sets. Because Cummins is unable to associate circuit breaker date codes with specific genset serial numbers, Cummins is recalling the full population of 385 generator sets of this model manufactured during the relevant production date range for inspection to identify the suspect circuit breakers (by part numbers and date codes). Cummins estimates that approximately 20 percent of this population may be equipped with the defective circuit breakers. Production Dates : MAY 01, 2019 – OCT 06, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 21V-888 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 2 : 2019-2021 Cummins Power Generation C100D2RE Vehicle Type : TRAILERS Body Style : Power Train : NR Descriptive Information : Cummins Power Generation generator sets mounted on trailers manufactured and certified by a third-party manufacturer. (Felling Trailers, Inc.) Cummins is recalling these generator sets to implement a Product Safety Notice issued by the supplier of circuit breakers installed on the generator sets. Because Cummins is unable to associate circuit breaker date codes with specific genset serial numbers, Cummins is recalling the full population of 462 generator sets of this model manufactured during the relevant production date range for inspection to identify the suspect circuit breakers (by part numbers and date codes). Cummins estimates that approximately 20 percent of this population may be equipped with the defective circuit breakers. Production Dates : MAY 01, 2019 – OCT 13, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : According to the supplier, certain Molded Case Circuit Breakers (MCCBs) may contain a nonconforming component that may result in the circuit breaker not operating as intended under certain conditions. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : According to the MCCB supplier, should thismight exist a “HAZARD OF ELECTRIC SHOCK, BURN, EXPLOSION OR ARC FLASH”. condition occur, a potential for personal injury and/or property damage may exist. According to the MCCB supplier, there may exist a “HAZARD OF ELECTRIC SHOCK, BURN, EXPLOSION or ARC FLASH”. Description of the Cause : The supplier of the subject circuit breaker reported that the subject MCCBs “may contain a nonconforming component.” Identification of Any Warning that can Occur : None. Involved Components : Component Name 1 : Breaker Component Description : Schneider Electric PowerPact L 250-600A circuit breaker Component Part Number : A057L891 Part 573 Safety Recall Report 21V-888 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 2 : Breaker Component Description : Schneider Electric PowerPact L 250-600A circuit breaker Component Part Number : A055A272 Supplier Identification : Component Manufacturer Name : Schneider Electric Address : 70 Mechanic Street Foxboro Massachusetts 02035 Country : United States Chronology : 20 Oct 2021 – Cummins received a written “Product Safety Notice/Notice of Potential Unsafe Condition” from Schneider Electric regarding the subject circuit breakers. 21 Oct – 3 Nov 2021 – Cummins investigated the issue, including conducting a search of warranty claims. Cummins identified 11 warranty claims for replacement of defective circuit breakers which may possibly be due to this condition. 9 Nov 2021 – Cummins decided to implement the safety action initiated by Schneider Electric by conducting a safety recall of the generator sets that may have been built with the subject circuit breakers. To date, Cummins has received no reports of accidents or injuries due to this condition. 16Nov2021 – Cummins filed its initial defect notification with NHTSA. 17Nov2021 – Cummins has subsequently determined that the production end date for the C100D2RE units in the recall populations was October 13, 2021. Description of Remedy : Description of Remedy Program : Cummins will conduct a safety recall to implement the Schneider Electric safety action. Generator sets will be inspected to check the date code of the circuit breakers. If a suspect circuit breaker is identified during inspection, it will be replaced with a new circuit breaker. A product failure occurring during the warranty period would have been covered under the manufacturer’s limited warranty, but Cummins will submit a recall-specific reimbursement plan to the Recalls Portal for those units that may have failed outside of the warranty period. Part 573 Safety Recall Report 21V-888 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 How Remedy Component Differs from Recalled Component : The remedy component will have a different date code than the recalled component. Identify How/When Recall Condition was Corrected in Production : Cummins confirmed with build records that the last dates of manufacture for the affected recall population is Oct 6, 2021 for model C70D2RE and Oct 13, 2021 for model C100D2RE. Recall Schedule : Description of Recall Schedule : Cummins expects to publish a Safety Campaign to dealers and distributers no later than 1/7/2022 and to mail owner letters no later than 1/14/2022. Planned Dealer Notification Date : JAN 07, 2022 – JAN 07, 2022 Planned Owner Notification Date : JAN 14, 2022 – JAN 14, 2022 * NR – Not Reported

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