| Rated parameters |
| Working power supply |
AC/DC22V |
| AC rated voltage (line voltage) |
400V |
| AC rated current (external through-core current transformer) |
400A,300A,200A,150A,100A,75A,50A,25A,15A,10A,5A,1A |
| Switch node input |
| Incentives |
24V internal excitation |
| Debounce time |
20ms |
| Relay contact output capacity |
| Normally closed relay |
AC400V / DC250V
Maximum current allowed to be disconnected: 10A
Long-term allowable closing current: 8A |
| Normally open relay |
AC250V / DC30V
Maximum current allowed to be disconnected: 5A
Long-term allowable closing current: 5A |
| AO Output |
| Output range |
(4~20)mA |
| Load capacity |
500Ω |
| Voltage range |
12VDC~36VDC |
| Power consumption |
| AC voltage circuit |
>0.75VA/phase (Rated time) |
| Device power circuit |
>6W |
| Overload capacity |
| AC current loop |
2 times rated current, continuous operation
10 times rated current, 10s allowed
40 times rated current, 1s allowed |
| AC voltage circuit |
1.2 times rated current, continuous operation
1.4 times rated current, 10s allowed |
| measurement accuracy |
| Line voltage measurement range |
380V 10V~456V; Deviation: ±0.5%
690V 10V~828V; Deviation: ±0.5% |
| Current measurement range |
(0.05~1.2) times rated current; Deviation: ±1.0% |
| Active Power |
±1.0% |
| Reactive power |
±2.0% |
| Active energy |
±2.0% |
| Reactive energy |
±2.0% |
| Frequency |
±0.05HZ |
| Power Factor |
±2.0% |
| Analog output |
±2.0% |
| Protection setting error |
| Action Value |
|
| Electric current |
±50mA or customized ±3% |
| Voltage |
±2V or customized ±3% |
| Action time |
|
| Definite time |
Within the range of 0s~3s (including 3s), it shall not exceed 60ms.
Within the range of 3s~99.9s, it shall not exceed ±2% of the set value. |
| Inverse time limit |
Within the range of 0s~3s (including 3s), it shall not exceed 100ms.
Within the range of 3s~99.9s, it shall not exceed 5% of the set value. |
| Working environment |
| Operating temperature |
-25ºC~55ºC |
| Storage temperature |
-40ºC~70ºC |
| Operating humidity |
≤90%RH No condensation, no corrosive gas location |
| Storage humidity |
≤95%RH No condensation, no corrosive gas location |
| Altitude |
≤2000m |
| Electromagnetic compatibility performance |
| Electrostatic discharge immunity |
IV Level (GB/T17626.2 IEC 61000-4-2) |
| Radiated radio frequency electromagnetic field immunity |
III Level (GB/T17626.3 IEC 61000-4-3) |
| Electrical fast transient burst immunity |
IV Level (GB/T17626.4 IEC 61000-4-4) |
| Surge immunity |
IV Level (GB/T17626.5 IEC 61000-4-5) |
| RF conducted immunity |
III Level (GB/T17626.6 IEC 61000-4-6) |
| Power frequency magnetic field immunity |
IV Level (GB/T17626.8 IEC 61000-4-8) |
| Oscillation wave immunity |
III Level (GB/T17626.12 IEC 61000-4-12) |
| Electromagnetic emission limits |
Qualified (GB/T14598.16 IEC 6255-25) |
| Electrical insulation performance |
| Dielectric strength |
2kVPower frequency voltage, 1 min (GB/T13729) |
| Insulation resistance |
Not less than 100MΩ (GB/T13729) |
| Surge voltage |
5kV, 12/50μS (GB/T13729) |
| Mechanical behavior |
| Vibration response/durability |
I Level (GB/T11287) |
| Shock response/durability |
I Level (GB/T14537) |
| Collision Response |
I Level (GB/T14537) |
Audited Supplier 
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