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June 11, 2024 NHTSA CAMPAIGN NUMBER: 24V427000
Incorrect Circuit Breaker May Cause Fire
Wiring that overheats increases the risk of a fire.
NHTSA Campaign Number: 24V427
Manufacturer Thor Motor Coach
Components ELECTRICAL SYSTEM
Potential Number of Units Affected 11
Summary
Thor Motor Coach (TMC) is recalling certain 2025 Thor Tranquility and Sanctuary motorhomes. A 50 AMP circuit breaker was incorrectly installed when a 20 AMP breaker is required, which can result in overheated wiring.
Remedy
Dealers will install a 20 AMP circuit breaker, free of charge. Owner notification letters are expected to be mailed August 6, 2024. Owners may contact TMC customer service at 1-877-500-1020. TMC’s number for this recall is RC000305.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Chronology :
5/21/24 – During an online production audit, the use of an incorrect breaker was discovered. An investigation into the incorrect breaker was commenced.
6/4/24 – TMC’s Safety Committee meeting occurred and all agreed to file a recall. No warranty claims or customer complaints have been received.
2 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| THOR MOTOR COACH | SANCTUARY | 2025 |
| THOR MOTOR COACH | TRANQUILITY | 2025 |
2 Associated Documents
Recall Acknowledgement
RCAK-24V427-1024.pdf 645.949KB
Defect Recall 573 Report
RCLRPT-24V427-4555.PDF 215.04KB
Latest Recalls Documents
- Function: The overcurrent circuit breaker has a thermal auto-reset function that protects the fuse from blowing when the circuit is overloaded/shorted.
- Specifications: 30A auto reset circuit breaker DC for 12/24 VDC, compatible with all 12V/24V systems, #10-32 terminal block.
- Compatibility: Suitable for automotive, vehicle, marine, ATV, RV, off-road vehicles, specialty vehicles, yachts and boats, heavy-duty and truck applications, battery chargers and more.
- Features: Surface mounted, the circuit breaker has a plastic rustproof case to protect the interior, good conductivity, voltage and temperature resistance, red insulated protective cover prevents electrical short circuits and protects against dust and corrosion.
- Packaging: You will receive 2pcs 30 Amp circuit breaker, 4pcs screws and nuts, 2pcs protective cover, the circuit breakers are small and portable, which is a good companion for home necessities!
- ยท Function: This circuit breaker can protect the amplifier from being damaged by the over-load current or voltage. Meanwhile, the power supply can also be protected to avoid battery crack and explosion caused by short circuit.
- ยท Specification: Voltage 12-48V DC, compatible with all 12V/24V Systems. Ambient temperature: -32 ยฐ c to 82 ยฐ c (-25 ยฐ f to 180 ยฐ f) ๏ผAccessories added wire lugs and Copper washer.
- ยท Manual Reset Circuit Breaker, Use in place of an inline fuse holder, the unique push button reset can also be used as a Kill Switch.
- ยท Protects your trolling motor from electrical damage, prevents excessive current and stops power surges from damaging Amps.
- ยท Application: Suitable for car audio/video system, boat, trucks, buses, RV's, ATV winches, marine and DC sound amplifier system overload protection.
- Safe and practical to use: never worry about fuse burn-out with thermal automatic reset feature, power protected when circuit is overloaded/ shorting by this over-current circuit breaker
- Waterproof protective cover: the red protective cover avoid electrical shorts and corrosion, quality and waterproof, 10-32 stud bolt terminals, reliable plastic rustproof housing, can well protect the internal circuit breaker
- Wide applications: suitable for automotive, electromechanical equipment, vehicle, marine, off road and other vehicles, yachts and ships, truck applications, car engines electrical control etc, bring your life more convenience
- What you receive: you will receive 4 pieces of DC 12V - 24V automatic reset circuit breakers in this package, enough quantity to meet your various use and replacement, also nice to share with your friends and family who need them
- Functions: no worry about fuse burn out with thermal automatic reset feature, power protected when circuit is overloaded/ shorting by this over current circuit breaker
- Protect your system: using as circuit breaker and battery Disconnect, allows to charge or maintain the battery without having to disconnect all the wires; Protect excessive current between battery or electrical from damage
- Solid breaker: new design with waterproof resistant housing and solid build; Fuse breaker Holders have Pass professional electrical performance test and aging test, the switch button is on/off smoothly, reliable quality
- Manual reset: Unique on/ off reset push button, mounted on panel or firewall, can used as a kill switch; No need to buy more replacing fuses
- Application: used in auxiliary and accessory circuits for fit to Boat Marine RV Yacht Battery Trailer Bus Truck ATV Winches applications; Also used in battery charges and DC sound amplifier system
- Use the waterproof cover to better prevent rust from metal parts. Max current 60A; Voltage DC 24V
- 30A circuit breaker with manual reset; Visible reset lever shows open condition, unique push button reset Can also be used as a kill switch; Button on circuit breaker can act as a master disconnect for circuits
- Suitable for a wide range of DC system voltages from 12V to 48V; Designed to protect the system from over-current as a result of high power draw, short-circuits, wiring mistakes, equipment faults or any other high current event; With mount cover protective the stud to be isolated, splash&dust proof
- Straightforward to install: 30 amp, DC 12 V - 48 V; Car Audio Inline Breaker Circuit Fuse 30A,use in place of an inline fuse holder; The circuit breaker can be mounted on panel or firewall
- Application: used in auxiliary and accessory circuits for fit to Boat Marine RV Yacht Battery Trailer Bus Truck ATV Winches applications; Also used in battery charges and DC sound amplifier system
- Professional material: The screw inside is made of pure copper; It is also water resistant IP 67; Use the waterproof cover to better prevent rust from metal parts
- Protect your system: 100A circuit breaker allows to charge or maintain the battery without having to disconnect all the wires! protect excessive current between battery or electrical from damage.
- Solid 100amp breaker: new design with waterproof resistant housing and solid build. Fuse breaker Holders have Pass professional electrical performance test and aging test, the switch button is on/off smoothly, reliable quality.
- Manual reset: 12V 100A circuit breaker with unique on/ off reset push button, mounted on panel or firewall, can used as a kill switch. No need to buy more replacing fuses.
- Application: 100amp breaker fuse is used in auxiliary and accessory circuits for fit to Boat Marine RV Yacht Battery Trailer Bus Truck ATV Winches applications. Also used in battery charges and DC sound amplifier system.
- Professional material: The screw inside is made of pure copper. 100 amp breaker circuit is also water resistant (IP67 rated). Use the waterproof cover to better prevent rust from metal parts.
- Function: This circuit breaker can protect the amplifier from being damaged by the over-load current or voltage. Meanwhile, the power supply can also be protected to avoid battery crack and explosion caused by short circuit.
- Specification: 80A, 12V-24V DC, compatible with all 12V/24V Systems. Use in place of an inline fuse holder and the unique push button reset can also be used as a Kill Switch.
- Effective: No need to replace the fuse -- save money. Suitable for car audio/video system, boat, trucks, buses, RV's, ATV winches, marine and DC sound amplifier system overload protection.
- Easy To Use: Manual Reset, just press on the button and the circuit will close/open.No need to disassemble the power cord and Screw terminals hold cables securely in place, can be mount on panel or firewall.
- Durable: Made of alloy materials, high tech water resistant housing, good conductivity, strong temperature and pressure resistance
- Hi-Amp 200A Circuit Protector Breakes,UL Certified,manual reset button switchable
- 3/8" threaded studs, Extended Surface Mount, protective stud insulator included
- Meet S.A.E. J1625, J1171, UL1500 (Ignition Protected)
- Housing is thermalplastic UL rated 94V0
- Widely used in boats, RVs, ATVs, bused, trucks, trailers, winches for amp protections, also used in DC battery and DC sound system or car audio system.
- ใSpecificationใ: 300 Amp Circuit Breaker 12v, Operating Voltage: DC 12V - 48V, Waterproof IP 67, Meet S.A.E. J1625, J1171, UL1500 (Ignition Protected). Widely used in marine and automotive circuits, suitable for Boat, Yacht, Kayak, RV, Trailer, Bus, Truck, Winches, ATV, solar system etc.
- ใProtect the System from Electrical Damageใ: These 12 volt circuit breakers are designed for protecting your boat trolling motor or vehicles from overload and short-circuit damage, prevents excessive current between battery and device for the great amp protection.
- ใManual Reset Functionใ: Unique disconnect button & long handle resettable lever make the fuse circuit breaker become reusable and controllable. This 300A DC breaker will trip when the system is over-current by reset lever automatically pop out to terminate the power, and reset by pushing the reset bar back for reuse. Can be used as a Kill Switch.
- ใMade with Reliable Materialใ: Durable heat-resistant plastic housing and silicone insulating cap for safer use. Pure copper washers for expanding the contact area of the wire lugs, increase the conductivity and better performance.
- ใEasy Surface-Mountใ: Bolipoeq 12v dc circuit breaker is surface-mount design, simply mount them on panel or firewall, hassle-free installation. What you get: 2 x auto 300 amp Breaker, 4 x Wire Lugs, 8 x Washers, 6 x Mounting Screws.
- 5A, 6A, 7.5A, 10A, 15A, 20A, 25A, 30A ATM Manual Reset (T3) Circuit Breaker Fuse Blocks for Emergency Repair of Your Car, Boat, RV, etc.
- 28 VDC - 2.9 mm wide blade, compatible with 280 on-vehicle fuse blocks, and is also reset so it is better suited for raised fuse holders.
- Manual small fuses are widely used in DC power systems (12V to 28V, maximum DC voltage 28V), marine yacht applications, automotive public transportation, RV systems, etc., which are for the protection of their low voltage equipment.
- 5Amp, 6Amp, 7.5Amp, 10Amp, 15Amp, 20Amp, 25Amp, 30Amp make up a set of commonly used specification fuse blade sets to make your choice easier. Car Protector Blade Fuses Assortment Kit meets different amperage needs and is also recyclable.
- Didnโt need to constantly replace the fuse. when blew a fuse and you decided to invest into a manual reset breaker so you could troubleshoot (and so you can see when it does blow it hence the manual reset instead of auto reset).
SEOCONTENT-START
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-427
The information contained in this report was submitted pursuant to 49 CFR ยง573
Manufacturer Name : Submission Date :
Thor Motor Coach JUN 10, 2024 NHTSA Recall No. : 24V-427 Manufacturer Recall No. : RC000305
Manufacturer Information :
Manufacturer Name : Thor Motor Coach Address : PO Box 1486
701 County Road 15 Elkhart IN 46515
Company phone : 877-500-1020
Population :
Number of potentially involved : 11 Estimated percentage with defect : 100 %
Vehicle Information : Vehicle 1 : 2025-2025 Thor Motor Coach Tranquility, Sanctuary Vehicle Type : LIGHT VEHICLES Body Style : VAN Power Train : DIESEL
Descriptive Information : An incorrect breaker was installed during production. A 50 amp breaker was installed on the power sofa circuit which was designed to use a 20 amp circuit breaker.
Production Dates : APR 04, 2024 – MAY 09, 2024 VIN Range 1 : Begin : w1x4nbvy8pp562307 End : w1x8nd6y0rp628184 โ Not sequential Description of Noncompliance :
tion of the
e :
A 50 amp breaker was installed instead of a 20 amp breaker FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : The 10 gauge wire is under protected and can overheat which can lead to an increased risk of fire and personal injury.
Description of the Cause : Production installed the wrong size breaker. Identification of Any Warning
that can Occur : The 50 amp breaker in the main fuse panel for the power sofa will have “50” stamped into the lever.
Involved Components : Part 573 Safety Recall Report 24V-427 Page 2 Component Name 1 : 32V, 50 Amp, type 3, manual reset Component Description : Breaker
Component Part Number : 0548883 Supplier Identification : Component Manufacturer
Name : NR Address : NR
NR
Country : NR Chronology :
5/21/24 – During an online production audit, the use of an incorrect breaker was discovered. An investigation into the incorrect breaker was commenced. 6/4/24 – TMC’s Safety Committee meeting occurred and all agreed to file a recall. No warranty claims or customer complaints have been received. Description of Remedy :
Description of Remedy Program : A 50 amp breaker was installed on the power sofa circuit which was
designed to use a 20 amp circuit breaker. This circuit utilizes a 10 gauge wire. A 20 amp circuit breaker will be installed at no cost to the owner. Any reimbursement will follow the general reimbursement plan that is on file with NHTSA How Remedy Component Differs from Recalled Component :
Identify How/When Recall Condition was Corrected in Production : A 20 amp breaker is installed in the power sofa circuit location of the main fuse panel.
Upon completion of the audit, engineering verified the prints were correct, and notified production of the incorrect breaker. Production began installing the correct breaker. Recall Schedule :
Description of Recall Schedule : Thor Motor Coach has the utmost urgency in notifying owners about
recalls that affect their products. Letters will be sent out once all pertinent information has been gathered.
Planned Dealer Notification Date : AUG 06, 2024 – AUG 06, 2024
Planned Owner Notification Date : AUG 06, 2024 – AUG 06, 2024
The information contained in this report was submitted pursuant to 49 CFR ยง573 Part 573 Safety Recall Report 24V-427
Page 3
The information contained in this report was submitted pursuant to 49 CFR ยง573
* NR – Not Reported
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SEOCONTENT-END
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