The Hager NCN300 is a DIN-mounted circuit breaker with three poles, and a rated current of 0.5A. It is suitable for use at 230/400VAC and has a character C rating. The product is certified to IEC 60947-2 standards and has a 20,000 A physical/ 30,000 A thermal short circuit capacity. It is designed to offer protection against overload, short circuit, and disconnection. It has an optional test/reset button which can be used for manual testing and resetting. The product is designed for applications such as household wiring, lighting circuits, boosters, etc.