The Crabtree 40A Curve B MCB Circuit Breaker is a manual reset circuit breaker suitable for interior use. With a maximum amperage of 40A and a tripping characteristic of Type B, this circuit breaker provides overload, short circuit, and overcurrent protection. It features a DIN rail mounting style and screw terminal electrical connection, making it ideal for electrical wiring applications. With a voltage range of 201-250V and a single pole single throw contact configuration, this circuit breaker from Crabtree offers reliable on/off operation for any room in a building.