... Single-phase Energy meter: 1,YDD-32 single-phase meter 5(32A)/230V 2,Hot Discount price:FOBShanghai7.2USD . 3,MOQ:100 YDD-32 single-phase meter ... 32A1,Static kilowatthour single-phase meter 230vAC, 5(32)A2,With SO-interface, for mouting ... red decimal digit9,Pulse interface(SO according to DIN43864)For datalogger systems10,External source min 18v DC to max ...