The Wylex SP+SN Miniature Type B Module (NHXS1B40) is a white DIN rail-mounted circuit breaker designed for interior walls. With a maximum amperage of 40A and tripping characteristics of Type B, this RCBO is suitable for single-phase AC systems. Its on/off operation method and switch control style make it easy to use, while the ABS/plastic material ensures durability. This model, from the trusted brand Wylex, offers instantaneous break time and comes as a single pack with 1 outlet and 1 pole.