ITEM NAME:30Amp 50V DC Push Button Circuit Breaker Reset Thermal Overload Switch Fuse Description: Circuit Breakers with manual reset button and transparent waterproof cap Includes waterproof button transparent cover for protection from the elements. Push-to-reset operation with white manual reset button. It mounts in 3/8 inch (10 mm) round hole, work for one push button circuit breaker for operation up to 50 volts DC or 250 volts AC. Widely used in cars, trucks, ships, etc. Specification: Material: Wood Filled Product Color: Black Product Amperage: 30A DC: 50V DC Exchange: AC 125/250V Package Includes: 1 Piece Overload Protector + 1 Piece Waterproof Cap Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making.DC: 50V DC. Circuit Breakers with manual reset button and transparent waterproof cap. 1 Piece Overload Protector + 1 Piece Waterproof Cap. Push-to-reset operation with white manual reset button. People always bought together with.