Safe And Practical: Built-in high-current wiring board, high sensitivity, high-tech waterproof housing, with protective rubber bolt cover, can protect 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 120A, newly designed manual reset circuit breaker, for all 12, 24 volt and 48 volt systems. Wire Gauge: Accept 0/2/4/8 specification power cord, with adapter, wiring input (BAT) input, output (AUX) output. Install on the panel or firewall. Material: Plastic, Zinc Alloy Steel; Size: 7.4x5.5x4.9cm / 2.91'x2.17'x1.93'(L*W*H).