... prepaid power consumption and control. This meter has functions such as anti-counterfeit, encryption, card reading, current limiting and automatic cut-off ... by relays. Therefore, to meters with maximum current under 40 A, direct connection is applicable, and to meters with maximum current ... be affected.2.3 Specification of Kilowatt Hour Meter:2.3.1 Reference voltage (V): 220V or 230V, 240V2.3.2 Basic ...