SPECFICATIONS High-current circuit breaker, using bimetal structures, when the circuit is overloaded, quickly power protection. Widely used in special vehicles, off-road vehicles winch, yachts and ships electrical control. Surface mount and protective stud insulators included. Rated Current: 30/50/100 AMP Operating temp: -32°C to 82°C (-25°F to 180°F) Storage temp: -34°C to 149°C (-30°F to 300°F) Splash and dust proof at IP67 grade. Housing: Thermoset Plastic, UL rated 94VO PACKAGE LIST 1x 30/50/100A Surface Mount Circuit Breaker