Sierra CB41210 Circuit Breaker - 10 Amp Sierra products are engineered to meet todays high horsepower engine demands and stand up in the harsh marine environment. All Sierra products meet or exceed the original equipment part it replaces. Sierra supplies many OEM engine manufacturers and boat builders hundreds of quality parts every day. Replacement for popular panel mounted breakers Mounts in 3/8" hole White buttons for DC, black buttons for AC Resettable Amp Rating: 10