12V-48V Car Fuse Holder Audio Fuse Protection System for Car, Camper Van, Boat (300A)

【Automatic Circuit Breaker for Insurance Activation】: Built-in high-current terminal board, high sensitivity, high-current overload protection.High-tech waterproof housing with protective rubber cover.Protects the circuit and electrical devices in the car.【Power Rating】: The circuit breaker is suitable for 12V, 24V, and 48V.Current: 50A, 60A, 80A, 100A, 150A, 200A, 250A, 300A, manual reset circuit breaker.【Easy to Install】: Accepts 0/2/4/8 gauge power cords. Panel or firewall mounting.【Reset Design】: When the current is too high, it automatically disconnects.After troubleshooting, reset manually.The red button on the circuit breaker can be used as the main disconnect switch for the circuit or as a disconnect switch.【Multiple Applications】: Provides overload or short-circuit protection in auxiliary and accessory circuits in trucks, buses, RVs, and boats.