DIN-Rail Single Phase Energy Meter with Counter(DDS-1Y-M) Executive Standard: IEC62052-11 2003; IEC62053-21 2003 DIN-rail standard: "SO"43864. Function and characteristic: Long terminal block; Nameplate inside; Measure power accurately; Anti-creep. Technical Data: Rated voltage: 110V, 220V, 230V, 240V; Rated current: 5(30)A, 5(60)A, 10(80)A, 5(80)A; Frequency: 50-60Hz Connection mode: Direct type Display: Counter 6+1=999999.9kWh Accuracy Class: 1.0 Power consumption: Un1W (when 220V 20A) Start current: 0.004Ib Standard work temperature: -20-45degree. Crelative humidity: 85%. Size: 115*78*65mm.