... ,A30PW RCD adapterAC Adaptor,portable adaptor,travel adaptorRCD adapter / AC Adapter,portable adapter,travel adapterRated Voltage,240VACRated Current,13A maxFrequency,50HzBreak ... called Passive) – When the power is lost due to an earth fault, the RCD trips out and isolates the ... also make them ideal for protecting some heating equipment set to “Frost Protection”, fish tanks, battery charging, and the ...