... to process, to realize prepaid power consumption and control. This meter has functions such as anti-counterfeit, encryption, card reading, ... current mutual inductor is applicable. (Control wire from meter controls external current relays or breakers to cut off current circuit).2. Main ... affected.2.3 Specification of Kilowatt Hour Meter:2.3.1 Reference voltage (V): 220V or 230V, 240V2.3.2 Basic current ...