RC+ series Molded Case Circuit Breaker, its rated insulation voltage can reach 1000V, suitable for AC 50/60Hz, rated working voltage is 400V, rated working current is 800A, circuit breaker can be used for distribution board, feed cabinet, bus slot, equipment control board, motor control car and other applications. Distribute electrical energy in the distribution system, protect lines and power equipment from overload and short circuit failures, and improve the reliability, safety and continuity of power supply.