40A Circuit Breaker Switch 40 AMP Inline Fuse Holder 12V-51V DC Manual Reset Button for Car RV Home Marine Boat Truck Audio Sound Amplifier System

Current: 40 A; Voltage: 12 V-48 V DC; Size: 100 x 42 x 40 mm / 3.93 x 1.65 x 1.57 inches (L x W x H); Temperature: -10 ℃ to 50 ℃ (-14 F to 122 F); Wire Gauge: 8-12 AWG (with inner core), 4-10 AWG (without inner core)

Material: Made of alloy, high-tech waterproof casing, good electrical conductivity, strong temperature and pressure resistance, applicable to all 12 V-48 V systems

Easy to use: Use it in place of the inline fuse holder.

No need to unplug the power cord, manual reset, simply press the button and the circuit will close/open. Function: The circuit breaker can protect the amplifier from damage caused by overload current or voltage. At the same time, it can also protect the power supply to prevent the battery from bursting and exploding due to a short circuit. Applications: Commonly used in solar systems, battery charging, inverters, car audio/video systems, boats, bicycles, RV audio amplification systems, and DC power supplies.