Name: Automatic Reset Circuit Breaker, Overpressure Switch with Fixed Wing; Easy to Install: Simply mount the breaker base on a solid surface and attach the wires to the positive and negative bolts. Voltage: DC 6 - 48V; Current: 30A; Bolted Terminal: #10 - 32; Bolt Spacing: 0.69 inches (17.5 mm); Breaker Size: 1.97 x 0.79 x 1.26 inches; Protection Size: 1.57 x 0.98 x 0.98 inches; Operating Temperature: -10°C to 60°C. Material: Waterproof red vinyl cover to prevent short circuits and corrosion, durable and waterproof, waterproof rating: IP66, reliable stainless plastic housing protects the inside of the breaker, good electrical conductivity, temperature and voltage resistance, splash and dust proof. Kit includes: 4 nuts; 2 x waterproof red vinyl covers; 2 x automatic reset circuit breakers. Application: Suitable for DC 6V-28V trucks, RVs, off-road vehicles, cars, marine vehicles, etc.; battery chargers, vehicle electronic engine controls.