... reliable structure, stableperformance, long life, wide load, high accuracy, low power cons-umption, nice appearance and so on.Structure features 1 ... voltage,220V, 230V and 240V4.Reference frequency,50Hz or 60Hz5.Power consumption of voltage circuit,<1W and <5VA 6.Starting current,max is ... 2/50μs, impact voltage of 6kV peak value for respectively, it has no damage. 8.External structure and service life a ...