Phase number |
Three phase |
Control mode |
Phase control mode (phase shift trigger) |
Zero position control mode (variable period zero crossing trigger) |
Feedback |
No feedback, voltage feedback, current feedback, power feedback (when a feedback mode is specified for phase control) |
Rated voltage |
AC 220V/ AC 380V |
Allowable voltage change |
±10% of Rated voltage |
Rated frequency |
50/60Hz |
Allowable frequency change |
Rated frequency ±1Hz |
Rated current |
30A,50A,80A,100A,150A,200A,250A,300A,400A,500A,600A,800A,1000A,1500A,2000A |
Input Signal |
DC 4--20mA input impedance: 120Ω |
DC 1--5V input impedance: 10k Ω |
DC 0-- 5V input impedance: 10k Ω |
DC 0--10V input impedance: 10k Ω |
Output Range |
No feedback, 0-- 98% output range of rated voltage |
Voltage feedback, 0-- 98% output range of rated voltage |
Current feedback, 0-- 100% output range of rated voltage |
Power feedback, 0-- 98% output range of rated voltage*0-- 100% output range of rated current |
Output Precision |
No feedback, rated voltage±10% |
Voltage feedback, rated voltage±3% |
Current feedback, rated voltage±3% |
Power feedback, rated power±3% |
Load Type |
Resistive load (phase shift trigger, Variable period zero crossing trigger) |
Inductive load (phase shift trigger) |
Minimum load current |
0.5A above (98% output of rated voltage) |
Other function |
Soft start, soft off(0--60S),Operation stop switch, external setters (slope, base point, manual, etc.) overcurrent protection, overvoltage protection, current limit, voltage limit |
Alarm action |
1. Overcurrent alarm: ALM alarm light, alarm parameters display, alarm contact output |
2. Overvoltage alarm: ALM alarm light, alarm parameters display, alarm contact output |
3. Load breakage alarm Alm alarm lamp on, alarm parameters display, alarm contact output |
4. Radiator overtemperature alarm: Alm alarm light on, alarm parameter display, alarm contact output |
Alarm output number |
One point |
Alarm contact capacity |
AC250V 3A |
Cooling mode |
Rated current 30A (including 30A) below self-cooling |
Rated current 50 A (including 50 A) above air cooling |
Output setting range |
Slope setting (internal), 0~100% of output range |
Operating ambient temperature |
-10℃--55℃ |
Operating environment humidity |
30%RH--90%RH |
Insulation impedance |
DC 500V,20MΩ |
Insulation strength |
AC 2000V/min |
Materials and Coatings |
Plate / spray coating |
Communication protocol |
Modbus RTU |
Communication interface |
RS485 |
Baud rate |
4800bps 9600bps 19200bps |
Setting item |
1. Run (run / stop) output mode (automatic / manual) |
2. Control mode (phase control / zero control) |
3. Feedback type (no feedback / voltage feedback / current feedback / power feedback) |
4. Manual output value (0 / 100%) slope setting (0 / 100%) |
5. Current limit value (0 ~ 100% rated current) voltage limit value (0 ~ 100% rated voltage) |
6. Over-current protection (on / off) overcurrent protection value (1.2 times rated current) |
7. Over-voltage protection (on / off) overvoltage protection value (1.2 times rated voltage) |
8. Soft start time (0 ~ 60s) soft turn-off time (0 ~ 60s) |
9. Load off alarm (on / off) |
10. Communication address, communication rate, communication parity check, host computer control (on / off) |
11. Fixed period zero crossing control feedback (on / off) |
Display item |
Voltage value, current value, power value, load impedance value, input signal percentage, alarm code, various set values, various states |
Digital Display |
OLED display (display resolution 128 × 64) measurement value, set value, alarm value, etc. |
Status Display |
4 LED status lights (red, green) running state, manual state, stop state, alarm state |