Item

Parameter

Accuracy (kWh)

Class B (EN 50470-3)? or? Class 1 (IEC 62053-21)

Basic current Ib

5A, 10A, 15A, 20A

Maximum current Imax

40A, 60A, 80A, 100A

Minimum current

0.05Ib

Starting current

<=0.004Ib (Direct Connection)

Rated voltage Un

220V,230 V,240V

Operating voltage range?

0.8Un~1.2Un

Operating frequency

50Hz/60Hz

Communication interface

Local:??????? 1 circuit optical interface;

UIU:????????? 1 circuit MBUS or PLC;

Communication Protocol

Local: IEC62056-21

Remote: STS Protocol

Optical interface

IEC standards

Relay

1 Main contactor(100A);

RTC

<= 0.5s/day (Normal temperature)

RTC support

10 years battery operation life

operating for at least 2 years in case of any power failure

Backup battery

Battery can be replaced

Pulse constant

1000~10000 imp/kWh

Power consumption

Current circuit power consumption <= 2.2VA

Voltage circuit power consumption <= 1.8W/10VA

Compression strength

4kV, 50Hz, 1 minute

Anti-surge

voltage

current

?

6kV, 1.2/50μs

5kA, 8/20μs

Immunity to short-circuit current

30Imax

Immunity to electrical fast

transients/bursts (EFTB)

4 kV (IEC 61000-4-4)

Anti-magnetic

Anti-strong magnetic, magnetic detection and display

Operating temperature range

-25°C ~ +70°C

Storage temperature

-40°C ~ +85°C

Anti-tamper

Open meter cover

Current reverse

Keypad

3X4 Membrane keypad

LCD

Black Light

Prepayment Function

Compatible IEC62055-51, STS Standard

Dimensions (LxWxH)

163mmx115mmx57.3mm

Weight

Approx. 0.6kg