Features: 1.250A auto circuit breaker, built?in high current terminal, with reset function, can also be used as a kill switch. 2.Prevent amplifiers, audio electronic equipment, audio/video systems and accessories from excessive current. 3.High grade ABS and metal material, high temperature resistant, anti?corrosion and durable. 4.Can be used for car, ships, trucks, buses, recreational vehicles, ATV winches and DC sound amplifier systems. 5.Simply install it on the panel or firewall, and it can be easily operated by the manual reset arm. When the current reaches the cut-off value, the circuit breaker will automatically cut off the power. Specification: Item Type: Auto Circuit Breaker_x000D_ Material: ABS + Metal_x000D_ High temperature resistant housing, with cover_x000D_ Built-in high current terminal_x000D_ Button reset/disconnect (kill switch)_x000D_ Accepts 1/0GA or 4GA Terminal-Free_x000D_ Suitable for RVs, yachts, boats, cars, etc._x000D_ _x000D_ Way of Working:_x000D_ 1. Circuit Break Protection: When the current reaches the cut-off value, the long handle automatically bounces and cuts off the power supply. Generally, it trips in a short-circuit condition. After the fault is eliminated, press the long handle back to the original position to form a access._x000D_ 2. Manual Circuit Break: We need to disconnect the circuit when refitting, and directly press the oval red button on the fuse. At this time, the long handle automatically pops up to cut off the power. Connect as above, and then press the long handle back to its original position. PackageList: 1 x Auto Circuit Breaker