| Parameter |
Value |
| Rated voltage
of motor |
AC400V or AC690V,
50/60Hz |
| Rated current
of motor |
0.1A ~ 800A |
| Insulation
resistance |
≥100MΩ |
| Working range |
AC/DC 80~270V |
| Power
consumption |
<10VA |
| Environment
temperature |
-20℃~+60℃ |
| Relative
humidity |
≤93%RH |
| Storage
temperature |
-40℃~70℃ |
| Protection
level |
Measurement
module/master control module: IP20 |
| Protection
level |
Display panel: IP64 |
| Withstand
voltage characteristics |
AC2kV/1min |
| Current/voltage
starting value |
Set value ±1% |
| Heat capacity
accumulation value |
Set value ±1% |
| Delay action
time |
Delay action setting
value <2s: ±100mS |
| Delay action
time |
Delay action setting
value ≥2s: ±5% |
| Thermal
Overload |
Start Overtime |
| Stall |
Phase sequence |
| Current
imbalance |
Under Voltage |
| Phase Loss |
Over Voltage |
| Under Load |
Voltage Imbalance |
| Jam Protection |
PT Breaking |
| Short-Circuit |
Time tE (Increased
Safety Motor) |
| Ground Fault |
Thermistor |
| Residual
Current |
Thermal resistance
protection RTD |
| Start/stop
control logic |
Analog Output |
| Command start
and stop |
Start mode |
| External
bypass start/stop |
Protection mode
typical wiring diagram (thermal relay) |
| Control
authority |
Direct start typical
wiring diagram |
| Power on
self-starting |
Bi-direction start
typical wiring diagram |
| Under voltage
restart |
Two speed start
typical wiring diagram |
| Instant
restart |
Star triangle start
typical wiring diagram (Two step start) |
| WDH-31-50XC |
Panel size:
98*61mm(TFT), 1m/3m cable included(for model: WDH-31-500) |
| WDH-31-50X |
Panel size:
98*61mm(LCD), 1m/3m cable included(for model: WDH-31-500) |
| Control relay
contact capacity |
AC250V/5A (Resistive) |
| Control relay
contact capacity |
AC250V/0.5A
(Sensitivity) |
| Control relay
contact capacity |
DC30V/5A (Resistive) |
| Maximum break
voltage |
AC400V |
| Maximum break
capacity |
1000VA |
| Action time |
10ms |
| Mechanical
life |
>1000000 |
| Node type |
Dry contact |
| Electrical
isolation |
Opto-isolated inputs |
| Internal
voltage |
DC24V |
| Input
resistance |
5kΩ |
| On current |
1.5mA |
| The sampling
period |
2mS |
| Output type |
DC 4~20mA |
| Response time |
<100mS |
| Load |
RL≤350Ω |
| Electrostatic
discharge immunity |
IEC 61000-4-2 Level 3 |
| Electrical
fast transients/bursts immunity |
IEC 61000-4-4 Level 3 |
| Surge immunity |
IEC 61000-4-5 Level 3 |
| Oscillation
waves immunity |
IEC 61000-4-12 Level
3 |
| Radio-frequency
field immunity |
IEC 61000-4-3 Level 3 |
| Conducted RF
disturbances immunity |
IEC 61000-4-6 Level 3 |
| Power
frequency magnetic fields immunity |
IEC 61000-4-8 Class A |
| Voltage dips
and short interruptions |
IEC 61000-4-11 Level
3 |
| Radiated &
Conducted Emissions |
CISPR22 Class A |
| Low-voltage
switchgear and controlgear |
IEC 60947-1 |
| Part1:General
rules |
IEC 60947-1 |
