Sea Dog Resettable Circuit Breakers Sea Dog resettable inline circuit breakers with manual reset button are for use with higher amperage accessories. Ignition protected, these breakers are safe to install aboard gasoline powered boats. Constructed of injection molded nylon and polycarbonate with stamped brass 10-32 studs with nuts. The copper post is the battery or power in post the silver post is the auxiliary or power out, protected post. Features Splash proof Available in 20, 30, 40, and 50 A