| Model: SPR3-470NNN Specifications |
| Control phase |
3-phase |
| Rated load voltage |
440VAC~ |
| Rated load current |
70A |
| Control input |
Auto control: DC4-20mA, 1-5VDC , ON/OFF contact (no-voltage input), pulse voltage (5-12VDC )
Manual control: outside adjuster (10kΩ), inside adjuster (output limit) |
| Option output |
Alarm output |
| Feedback control |
Normal control |
| Fuse option |
Non-Fuse |
| Power supply |
100-240VAC~ 50/60Hz |
| Min. load current |
1A |
| Allowable voltage range |
90 to 110% of rated voltage |
| Power consumption |
Max. 22VA |
| Display method |
3-digit 7-segment LED |
| Indicator |
- Operation indicator/Manual control indicator: green LED
- Alarm indicator/output indicator/unit (V, A) indicator: red LED
|
| Control method |
- Phase control: normal control mode, constant current/constant voltage/constant power feedback control mode
- Cycle control: fixed cycle control mode, variable cycle control mode
- ON/OFF control
|
| Applied load |
- Phase control, ON/OFF control: resistance load, inductive load
- Cycle control: resistance load
|
| Digital inputs |
RUN/STOP switching, AUTO/MAN switching, RESET |
| Output_Alarm |
250VAC~ 3A, 30VDC 3A, 1c resistive load |
| Output range |
Phase control: 0 to 98%, Cycle control: 0 to 100%, ON/OFF control: 0%, 100% |
| Output accuracy |
- Normal control: within ±10% F.S. of rated load voltage
- Constant current feedback control: within ±3% F.S. of rated load current
- Constant voltage feedback control: within ±3% F.S. of rated load voltage
- Constant power feedback control: within ±3% F.S. of rated load power
|
| Setting type |
By front keys, by communication |
| Function |
Output limit (OUT ADJ), AUTO/MAN selection, control method selection, RESET, SOFT START, SOFT UP/DOWN, output high/low limit, input correction, input slope correction, monitoring (control input, load voltage/current/power/resistance, power supply frequency |
| Function_Alarm |
Overcurrent alarm, overvoltage alarm, fuse break alarm, SCR error alarm, heater break alarm, heatsink overheat alarm |
| Cooling method |
Forced air cooling (with the cooling fan) |
| Insulation resistance |
Over 200MΩ (at 500VDC megger) |
| Dielectric strength |
2,000VAC~ 50/60Hz for 1 min (between input terminals and power terminals) |
| Output leakage current |
10mArms |
| Noise immunity |
±2kV the square wave noise (pulse width: 1㎲) by the noise simulator |
| Memory Protection |
Approx. 10 years(non-volatile semiconductor memory type) |
| Vibration |
0.75mm amplitude at frequency of 5 o 55Hz (for 1 min) in each X, Y, Z direction for 2 hours |
| Vibration_Malfunction |
0.5mm amplitude at frequency of 5 to 55Hz in each X, Y, Z direction for 10 min |
| Environment_Ambient temperature |
-10 to 55℃, storage: -20 to 80℃ |
| Environment_Ambient humidity |
35 to 85% RH, storage: 35 to 85% RH |
| Accessories |
11-pin connector |
| Approval |
CE |
| Weight |
Approx. 5kg(approx. 4.2kg) |