The Wylex NXSB32AFD Single Module Arc Fault Device in white is a DIN rail mounted circuit breaker with a maximum amperage of 40A and a current rating of 31-40A. This Type B tripping characteristics device is suitable for automotive applications and can be used in any room. Made of ABS/plastic and plastic materials, this 2 pole device is designed for AC/DC current and operates at a voltage range of 201-250V. With a compact design and a pack size of 31-40, this Wylex device offers reliable protection and safety for electrical circuits.