General
Range of current: 5(20) A, 10(40) A, 20(80) A, 10(100) A
Starting current: 0.4%Ib
Power supply: 220V/230V(±20%)
Frequency: 50Hz/60Hz
Meter constant: 800 imp /kWh, 3200 imp /kWh, 1600 imp/kWh

Accurracy
Class 1 or 2 accuracy according to IEC 62053-21 for active energy
Recording and display
Non-volatile memory EEPROM
LCD/8 digits and icon with white backlight
Communication
Local reading & programming by keypad.
Local reading & programming through IEC 61107 optical interface (IEC 62056-21 protocol)
Remote reading & programming through twisted pair bus (IEC 62056-21 protocol)

Anti-tampering system
Terminal cover opening event and automatic disconnect
Reverse energy detection
Connection
DIN or BS type

Programming software
Programming and reading software compatible with Microsoft Windows (2000/xp and later)

Mechanical features
Dimensions (mm): L217 W134 H71
Operating Temperature:-25to+70

Humidity < 95%