The Brand New Crabtree Star Breaker AFDD B40 MCB is a high-quality circuit breaker designed for electrical wiring in interior spaces. With a current rating of 31-40 A and a voltage range of 201-250 V, this MCB is suitable for various applications. The single pole single throw (SPST) contact configuration and on/off operation method make it easy to use and reliable. This circuit breaker, made from ABS/plastic material, is rated IP20 for safety and has a compatible wire gauge of 6-10 AWG. Perfect for any room, this Crabtree MCB is a dependable choice for electrical systems.