Residual current circuit breaker 4-pole 6kA 63A 300mA type S selective. Residual current circuit breaker (FI) in accordance with EN 61008-1, DIN EN 61008-2-1,0664 part 10 + 11, contact protection IP2x in accordance with DIN0106 part 100. Suitable for the subsequent installation of additional equipment (installation without tools). Connection terminals with wire insertion protection, bi-connect terminals at the bottom, external blue test button. All products with symbol. Labeling option directly on the device.