Class Index Class 1
Operating voltage range From 0.7 to 1.2Un
Reference voltage Un 220 V
Reference current Ib(Imax) 10(40) A
Meter constant 1600 imp/kWh
Reference frequency 50 Hz
Power consumption Voltage circuit ≤1W and 3VA
Current circuit ≤0.5VA
Display By Counter or LCD
Operating Temperature Range -10 to 55
Limit range of operation -20 to 60
Storage Temperature Range -25 to 70
Relative humidity Annual mean <75%
Overall dimension 188mm × 110mm × 65mm
Weight 0.72kg