The Murray Crouse-Hinds 2 Pole MD-A Circuit Breaker MD2150 is a manual reset circuit breaker suitable for interior use in various rooms such as the garage, basement, and living room. With a maximum amperage of 150A and a voltage range of 201-250V, this black circuit breaker with overload protection features a double pole single throw (DPST) contact configuration and a plug-in mounting style for easy installation. Designed by Murray and manufactured in Mexico, this main breaker is an essential component for electrical systems requiring a reliable and efficient power distribution solution.