ReferenceVoltage

3×220V/380V；3×57.7V/100V；3×100V

Voltage measurement range

Three phase 0.6Un~1.2Un

rated(*Big)electric current

Transformer connection type:

0.3（1.2）A； 1.5（6）A； 1（10）A；

Direct access type:

5（60）A； 5（80）A； 10（100）A；

Accuracy level

Active power levels of 0.2S, 0.5S, and 1; Reactive power level 2

working temperature

-25℃～60℃

Extreme working temperature

-45℃～70℃

relative humidity

≤95%(No condensation)

frequencyRange

(50±2.5)Hz

Starting current

Connected via transformer (0.2S level, 0.5S level): 0.001I_n；

Connected via transformer (level 1): 0.002I_n；

Direct access type: 0.004I_b ；

Static power consumption

Each phase is less than 1.5W, 6VA

MTBF

≥1×10⁵ h

Design lifespan

10 years

Clock accuracy (daily error)

≤0.5s/d(Reference temperature 23)℃)

≤±1s/d(-25℃～+60℃)

clock frequency

1Hz

Battery life

10 years

Continuous working time of battery

≥ 5 years

Data retention time after power outage

≥ 10 years