General description This 12V-48V Circuit Breaker is a versatile battery isolator switch designed for use in cars, boats, trucks, RVs, and travel trailers. It features a robust construction with a fiber reinforced plastic shell and brass and iron components, ensuring durability and reliability in various environments. Technical specifications Current Rating: 275A Intermittent Rating: 455A Starting Rating: 1250 DC Amps Rated Voltage: 12-48VDC Item Dimensions: 15 x 10 x 5 centimeters Installation Easy to install with a removable insulating layer on the brass terminal to prevent short circuits. Usage Suitable for various electrical products including cars, boats, caravans, RVs, and trucks.