Specifications:1, Voltage: DC 6-48V.2, Rated current: multi Amps circuit breaker available.3, #10-32 stud bolt terminals.4, Operating temp: -10 centigrade to 60 centigrade.5, Can be mounted in 4 orientation.6, Heavy duty plastic rustproof housing, red cover avoid electrical shorts and corrosion.7, Never worry about fuse burn-out with thermal automatic reset feature.8, Power protected when circuit is overloaded / shorting by this overcurrent circuit breaker.9, Size: 2 x 1.4 x0.86 inch.10, Used for: automotive, electromechanical equipment, vehicle, marine, ATV, RV, off-road, special vehicles, yachts and ships, heavy-duty and truck applications, battery chargers, car engines electrical control etc.. Complete kits includes:2 x Screw nuts1 x Red cover1 x 50A Automatic reset circuit breaker