... :2.0 cover material,PC, Plasticelectric three-phase pre-paid meter(electronic meter electric three-phase pre-paid meter(electronic meter ,watt ... .0 levels Power loss: ≤2.0WWorking voltage scope:Specification:Three-phase three 3×100V50HZ3×1.56A3×3AThree-phase four: 3×220V/380V50HZ3 ...