12V Automatic Reset Circuit Breaker 10A–50A Waterproof Dual Battery Fuse for Car Boat RV

This automatic reset circuit breaker is designed to protect 12V electrical systems from overloads and short circuits without the need to replace fuses. Ideal for dual battery setups, car audio systems, marine applications, and auxiliary accessories, it automatically resets once the fault is cleared.

Built with a durable plastic body and protective waterproof cover, this breaker is suitable for harsh environments including engine bays, boats, caravans, and trailers. The manual-free auto-reset design makes it perfect for hard-to-reach installations where reliability matters.

Rated for 6–28V DC systems and available in multiple current ratings from 10A to 50A, this circuit breaker is commonly used for stereos, battery chargers, lighting circuits, winches (low current), and accessory power feeds.

Features:
• Automatic reset – no fuse replacement required  
• Waterproof protective cover (IP66 on cover)  
• Ideal for dual battery systems  
• Compact wing-mount design  
• Reliable protection against overloads and short circuits  

Specifications:
• Rated Voltage: 6–28V DC  
• Rated Current Options: 10A / 15A / 20A / 25A / 30A / 40A / 50A  
• Interrupt Rating: 2.5KA @ 28V DC  
• Operating Temperature: -40°C to 85°C  
• Terminal Size: #10-32  
• Mounting Style: Wing mount  
• Material: Plastic body with metal terminals  

Applications:
Suitable for cars, 4WDs, boats, caravans, RVs, trailers, buses, marine systems, stereos, battery chargers, and general 12V accessory circuits.

Package Includes:
• 1 × Automatic Reset Circuit Breaker with Protective Cover