Overload Protection: Built-in high-current terminal blocks prevent power surges from damaging your amplifier, saving you the cost of replacing fuses. Working Mode: When the circuit is overloaded, quick power-off protection, ignition protection, automatic disconnection, manual disconnection. Waterproof: With a plastic housing and waterproof button cover, you can use this circuit breaker in wet locations, suitable for engine compartments and bilge areas. Wide Range of Applications: Suitable for car audio video systems, boats, trucks, buses, RVs, ATV winches, and marine and DC audio amplifier systems. Long Durability: High and low temperature resistance, long-term durability through extreme environmental and temperature testing. Item Type: Circuit Breaker Breaker Material: Alloy, ABS Rated Voltage: DC 32V Maximum Voltage: DC 48V Working Mode: Automatic disconnection, manual disconnection, automatic disconnection and switch Scope of Application: Various electrical appliances, such as car audio, car lights, car refrigerators, fans, etc.