Can be used as a master disconnect - simply push the button., Waterproof , Flush Mount Designed for heavy-duty applications, this circuit breaker supports up to 80 amps, ensuring reliability and safety in high-load scenarios. Surface-Mount Design These high amp circuit breakers are typically used in auxiliary and accessory circuits for trucks buses RVs and marine applications. CB285F-80 Eaton - Bussmann Electrical Division | Circuit Protection Rv Truck Marine Circuit Breaker Bussmann CB185-110 Surface-Mount Circuit Breakers, 110 Amps Battery Disconnect Switch Resets with the slide of the lever (Type III). Bussmann CB185-110 Surface-Mount Circuit Breakers, 110 Amps Ships same business day. Has two threaded 1/4 studs, nuts included (M6-1., 0).