The FuseBox C40 Triple Pole Miniature Circuit Breaker (MCB) is a DIN Rail-mounted circuit breaker with a manual reset feature. It is suitable for interior use and has a single throw with two positions. The breaker is designed for a single phase and has an IP rating of IP20. With an on/off operation method and switch control style, this circuit breaker is ideal for electrical wiring applications in a variety of rooms. The unit is designed for instantaneous break time and comes in a pack of one.