Name automatic reset circuit breaker, overcurrent breaker with fixed wings; easy to install simply mount the breaker base on a solid surface and connect the wires to the positive and negative bolts Voltage DC 648V; current 50A; bolt terminals 1032; bolt spacing. 0.69in 17.5mm; breaker size 1.97 x 0.79 x 1.26in; protective cover size 1.57 x 0.98 x 0.98in; operating temperature 10C to 60C Material red vinyl waterproof protective cover avoids electrical short circuit and corrosion, durable and waterproof, waterproof rating IP66, reliable plastic rustproof housing that protects the inside of the breaker well, good electrical conductivity, temperature and pressure resistance, splashproof and dustproof Set includes 4 x screw caps; 2 x red vinyl waterproof protective covers; 2 x automatic reset circuit breakers Application universal for DC 6V28V truck, RV, offroad vehicle, car, marine and other vehicles; battery charger, car engine electrical control