1Overload Protection: Built in high current terminal blocks prevent power surges from damaging your amplifier, saving you the cost of replacing fuses. 2Working Mode: When the circuit is overloaded, fast power off protection, ignition protection, automatic disconnection, manual disconnection. 3Waterproof: With plastic case and waterproof button cover, you can use this breaker in wet places, suitable for engine room and bilge area. 4Wide Application: Suitable for car audio video system, Boat, trucks, buses, RV, ATV Winches and marine and DC sound amplifier system 5Long DurabilityHigh and low temperature resistance, long term durability through extreme environment and temperature tests.1 xCircuitBreakerItem Type:CircuitBreakerSwitch Material: Alloy, ABSRated Voltage: DC 32VMaximum Voltage: DC 48VWorking Mode: Automatic disconnect, manual disconnect, automatic disconnect and switchScope Of Application: Various electrical appliances, such as car audio, car lights, car refrigerators, fans, etc.