... .0 cover material,PC, Plasticelectric three-phase pre-paid meter(electronic meter electric three-phase pre-paid meter(electronic meter ,watt-hour meer ,prepayment electronic meter,meter ) TechnicalindesProductmanufacture standard:Conforms to ... Power loss: ≤2.0WWorking voltage scope:Specification:Three-phase three 3×100V50HZ3×1.56A3×3AThree-phase four: 3×220V/380V50HZ3×1.56A3×36A3×520A3 ...