[SAFE AND PRACTICAL] current thermal trip circuit breaker with manual reset switch, built-in high-current wiring board, high sensitivity, high- waterproof housing, with protective rubber bolt cover, can protect your trolling motor from electrical damage, saving you the cost of replacing the fuse. [MANUAL RESET DESIGN] Manual reset button, the red button on the circuit breaker can be used as the main disconnect switch of the circuit, and can also be used as a kill switch. [RATED POWER] Current 250A , newly designed manual reset circuit breaker, compatible with all 12and 48 volt systems. [WIRE GAUGE] Accept 0/2/4/8 specification power cord, with adapter, wiring input (BAT) input, output (AUX) output. The circuit breaker has simple installation steps and can be installed on any flat panel, or or in the car. [WIDE APPLICATION] Provide protection under overload or short circuit conditions in boat marine RV yacht trailer bus truck atv winches applications, also used in battery charges and DC sound amplifier system. Colour:black Material:plastic Package Contents: 1 x circuit breaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.