... active energy consumption from single phase two wire AC electricity net. The meter adopts LSI (Large-scale Integration) and SMT ... of pulse output passive (polarity), may select increase a distant port of pulse output passive(nonpolarity),complying with ... voltage(V)110,120,220,230,240,etc.Rated current(A)1.5(6), 2.5(10), 5(20), ... 10(40)A,15(60), 20(80), 30(100),etc.Operation voltage ...