Active (non-latching) inline 16A/3600W residual current device (RCD) to prevent electric shock from faulty mains devices or water ingress. Active type is recommended for power tool use to prevent unexpected starting. Large reset and test buttons plus power indicator. Suitable for use with UK 13A and European 16A domestic mains supplies. Uses wired connections to embed the RCD in a cable for a single device, extension cable or trailing multi-socket. IP54 rated, suitable for outdoor use. Operating current 30mA with 30ms or less trip speed. Accepts 7.5-11.5mm dia cables. CE tested and certified.