... LED instructions power supply state, signal of energy impulse.♦Single direction measures single phase two wire active power consumption. It is nothing with ... you may select. Technical Parameters Accuracy classClass 1.0,Rated voltage(V)110,120,220,230,240,etc.Rated current(A ... (40)A,15(60), 20(80), 30(100),etc.Operation voltage rangeUn±20%Starting current0.4%IbRated frequency50Hz or 60HzInternal power ...