12-48V DC Circuit Breaker 30-80A Waterproof Manual Reset Car Boat
12-48V DC Circuit Breaker 30-80A Waterproof Manual Reset Car Boat
12–48V DC Waterproof Circuit Breaker | 30–80A | Manual Reset | Car, Boat & RV
Keep your vehicle's electrical system protected with this heavy-duty 12–48V DC Circuit Breaker. Designed for cars, trucks, boats, RVs, and marine applications, it automatically interrupts the circuit when current exceeds its rated amperage — then lets you reset it manually with the push of a button, so you never need to hunt for a replacement fuse again.
Why You'll Love It
- Broad Voltage Range: Compatible with 12V, 24V, 36V, and 48V DC systems — ideal for a wide variety of vehicles and marine vessels.
- Multiple Amperage Options: Choose from 30A, 40A, 50A, 60A, 70A, or 80A ratings to match your specific circuit requirements.
- Waterproof Construction: Built to withstand splashes, rain, and harsh marine environments — keeps performing whether it's mounted under the hood or on deck.
- Manual Reset (No Fuse Replacement): When the breaker trips, simply press the reset button — no tools, no fuse strips, no downtime.
- Durable & Compact: Sturdy housing with a corrosion-resistant design ensures long-lasting, reliable protection in demanding conditions.
- Easy Installation: Standard screw-terminal connections make wiring straightforward for DIY installs and professional setups alike.
- Versatile Application: Perfect for automotive, marine, solar, and off-grid electrical systems.
Specifications
- Voltage Rating: 12V – 48V DC
- Amperage Options: 30A, 40A, 50A, 60A, 70A, 80A
- Reset Type: Manual push-button reset
- Waterproof Rating: Splash/weather resistant
- Compatible With: Cars, trucks, RVs, boats, marine vessels, solar systems
- Connection Type: Screw terminal
- Brand: Qme
Who Is This For?
Whether you're outfitting a weekend boat, protecting your RV's electrical panel, or upgrading a car audio or solar installation, this circuit breaker is an essential safeguard. It's a smarter, more convenient alternative to traditional blade or glass fuses — giving you reusable overcurrent protection that's always ready when you need it.
For more information on safe electrical wiring practices in automotive and marine applications, visit the U.S. Consumer Product Safety Commission (CPSC).
Frequently Asked Questions
Q: What vehicles and systems is this DC circuit breaker compatible with?
A: This 12–48V DC circuit breaker is compatible with a wide range of 12V, 24V, 36V, and 48V DC systems, including cars, trucks, RVs, boats, marine vessels, and off-grid solar setups. Its broad voltage range makes it one of the most versatile breakers available for automotive and marine use.
Q: How does the manual reset function work?
A: When the circuit draws more current than the breaker's rated amperage, it automatically trips and interrupts the circuit. To restore power, simply press the manual reset button on the breaker. No tools or replacement fuses are required — making it faster and more convenient than traditional fuse-based protection.
Q: Is this circuit breaker truly waterproof?
A: Yes — this breaker features a weather-resistant, splash-proof construction designed to handle rain, humidity, and marine environments. It's built to perform reliably whether mounted in an engine bay, on a boat deck, or inside an RV's electrical compartment.
Q: Which amperage rating should I choose?
A: Choose an amperage rating that matches or slightly exceeds the maximum current draw of the circuit you're protecting. Available in 30A, 40A, 50A, 60A, 70A, and 80A options. For example, a 30A breaker suits lighter audio or accessory circuits, while 60A–80A ratings are better for high-draw applications like winches or marine motors.