| Input |
Connection mode |
Tri-phase, three-wire + GND |
| Voltage |
342 ~ 440Vac (380/400Vac), 208 ~ 220Vac (187V/242Vac) (optional) |
| Frequency |
50/60Hz |
| Power factor |
>0.78; >0.9 (optional) |
| Output |
Output voltage |
Type |
DC |
| Precision, output efficiency |
±0.1%, >85% |
| Stability |
±0.05% (30mins preheat after connection) |
| Line regulation |
±0.01% (±10% of rated input with constant load) |
| Load regulation |
±0.02% (no load to full load with rated input) |
| Rise time |
100ms (5% ~ 95% full scale) |
| Dynamic feature |
1ms response time, fluctuation ±0.75% (50% ~100% load variance) |
| Ripple coefficient |
20mVrms ~ 60mVrms, 75mVp-p ~ 350mVp-p (50V~600V) |
| Remote compensation |
For models ≤100V, line loss compensation is more than 10% of full scale voltage (5% for each load line)
For models >100V, line loss compensation is more than 4% of full scale voltage (2% for each load line)
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| Output current |
Type |
DC |
| Precision |
±0.2% |
| Stability |
±0.05% (30mins preheat after connection) |
| Line regulation |
±0.05% (±10% of rated input with constant load) |
| Load regulation |
±0.1% (no load to full load) |
| Rise time |
40A/ms (resistive load) |
| Ripple coefficient |
<±0.05% |
| Panel control |
Display |
LED digital tube display |
| Setting |
10-turn potentiometer for voltage & current setting |
| Protection |
Over voltage, current-limiting, over heat, lack phase protections |
| Remote control |
RS232C, 0 ~ 10V analog signal control (default) |
| Internal resistance simulation |
Battery internal resistance simulation function (optional) |
| Inverter test |
U/I (PV) curve programmable software, RS232 communication interface etc. (optional) |
| Programmable precision |
Digital interface voltage/current programmable precision: 0.5% of full scale + 1-bit (front panel display) |
| Digital interface voltage/current reading precision: 0.5% of full scale + 1-bit (front panel display) |
| Working environment |
Working temperature |
0 ~ 50°C |
| Storage temperature |
-25 ~ 65°C |
| Humidity |
Relative humidity: 95%, 0°C ~ 50°C |
| Height |
≤1500m |
| Cooling method |
Forced air-cooling, front inlet, back outlet, temperature-control fan. |
| Size |
483*635*133.4 (W*D*H) (mm) |
| Weight |
<36Kg |
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