Single phase two wire/ Single phase three wire

Technical Data Meter format Single phase two wire with optional neutral current measurement Reference voltage 220V/230V/240V Operating voltage 0.8Un ～1.3Un Current 5A-80A (Single Phase Two Wire) Starting current 0.004Ib Reference frequency 50Hz Accuracy class Class 1.0 (Active) Clock accuracy ±0.5s/day@23℃ Impulse generator energy constant 1000 imp/kWh, 1000 imp/kvarh (Configrable) Operating temperature range Normal range:-25℃~ +55 ℃(3k6) Limited range:-40℃~ +70℃(3k7) Storage and transport temperature range -40℃~ +70℃(3K7) Max. temperature can be up to 85℃(optional) Relative humidity ≤ 95% (non-condensing) Ingress protection rating IP54 Backup Power for Power Interruption Replaceable lithium battery support RTC and LCD display Battery life >5 years(blackout condition) Communication interface RF Display (LCD) Main character dimensions 3.09 x 6.5 (mm) Energy display digits 6 + 2 Display mode Scrolling display Data item OBIS Meter physical dimensions 145 mmx 60 mm x 95 mm; PC+GF (20%) Terminal hole diameter 10mm Weight Appr. 0.85kg DA28 General Information Insulation Test Insulation & Overvoltage Insulation system Protective class II Overvoltage withstand 440 Vac for 4hours (can up to 48h), 600 Vdc for 1 minute AC voltage test Insulation level 4KV during 1 min Impulse voltage test According to IEC 60060-1 , impulse voltage is 6KV EMC Test Electrostatic discharges (contact discharges) 8KV Electrostatic discharges (air discharges) 15KV Surge immunity test 6kV Electrical requirements Power consumption Voltage circuit＜2W,10VA Current circuit＜4VA Magnetic field interference Constant(DC) magnetic induction atthe rate of 200mT of external origin