- New
CB41230 – The Sierra 20-amp circuit breaker provides resettable overcurrent protection for 12 V DC electrical systems. Designed for panel mounting, it features a white push button for manual reset and two 1/4-inch blade terminals for electrical connections. It installs in a 3/8-inch mounting hole and serves as a replacement for compatible panel-mounted circuit breakers. A practical solution for marine and other compatible DC electrical applications.