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DPR1000
Compact digital protection relay for protection of high-power feeders or high voltage motors.
Features
Protection Function
ㆍVarious protection factor (13 protection factors)
ㆍVarious measurements and monitoring functions (5 measurements)
Convenience Function
ㆍEasy user interface
Protection factor
| Protective function | Operating part | Setting & Operating time | Remark |
|---|---|---|---|
| OCR (50/51) | Instantaneous high set | Setting: OFF, 0.5~20.0/0.1In | Below 40ms |
| Instantaneous low set | Setting: OFF, 0.5~20.0/0.1In Operating time: 0.05~60.0/0.01s |
Definite | |
| Time delay | Setting: OFF, 0.1~4.0/0.02In Operating time: 0.05~1.20/0.01 (Inverse) |
Curves SI, VI, EI, LI |
|
| OCGR (50/51N) | Instantaneous | Setting: OFF, 0.1~8.0/0.02In Operating time: 0.05~300.0/0.01s |
Definite |
| Time delay | Setting: OFF, 0.02~2.0/0.01In Operating time: 0.05~1.20/0.01 (Inverse) |
Curves DT, SI, VI, EI, LI |
|
| NSOCR (46) | Time delay high set | Setting: OFF, 0.1~1.0/0.02In Operating time: 0.08~60.0/0.01s |
Definite |
| Time delay low set | Setting: OFF, 0.1~1.0/0.01In Operating time: 0.05~1.00/0.01(Inverse) |
Curves DT, SI, VI, EI, LI |
|
| DGR (67N) | Time delay | Io Setting: 0.02~2.0/0.01Ion Vo Setting: 11~80/1V RCA Setting: 0~90/1° Operating time: 0.05~10.00/0.01s |
Grounded system Definite |
| SGR (67G) | Time delay | Io Setting: 0.9~6.0/0.01mA Vo Setting: 11~80/1V RCA Setting: 0~90/1° Operating time: 0.05~10.00/0.01s |
Isolated system Definite |
| THERMAL (49) | Time delay | Setting: OFF, 50~100/1% (τh, τc) | Motor Config. |
| STALL/LOCK (48/51LR) |
Time delay(Stall) | Setting: 0.50~10.00/0.01 (FLC×SVC.×O/L) |
Motor Config. |
| Time delay(Lock) | Operating time: 0.05~300.0/0.01s(Definite) |
Motor Config. Curves DT, VI, EI |
|
| UCR (37) | Time delay | Setting: 0.1~0.9/0.02In Operating time: 0.05~300.0/0.01s |
Definite |
| NCH (66) | - | Starts number: OFF, 1~5 times/1 Base time: 10~60min/1min Time between starts block: 1~60min/1min Operating time: 10~80%/1% |
Notching |
| TPR (38) | Time delay | Setting: OFF, 20~180/1℃ Operating time: below 50ms |
Definite |
Specification
| Type | Specification | ||
|---|---|---|---|
| Wiring | 3P3W, 3P4W | ||
| Input | Frequency | 60Hz or 50Hz | |
| Voltage | GPT | 190, 190 / √3 | |
| Current | CT | 5A | |
| ZCT | 1.5mA | ||
| Control Voltage | DC 110/125V, AC 110V 50/60Hz (or AC/DC 88V~132V) | ||
| Power Consumption | Steady: below 30W Operating: below 70W | ||
| Burden | PT | 0.5VA | |
| CT | 1.0VA | ||
| Digital Input | Digital Input: AC/DC 110V | ||
| Output | For trip | AC 250V 16A/DC 30V 16A Resistive Load AC 2500VA, DC 300W |
|
| For alarm | AC 250V 5A/DC 30V 5A Resistive Load AC 750VA, DC 90W |
||
| Insulation Resistance | Over DC 500V 100㏁ | ||
| Insulation Voltage | AC 2kV (1kV) / for 1 min | ||
| Impulse Voltage | AC 5kV (3kV) Over 1.2×50㎲ | ||
| Overload Withstand | Current circuit | 2 In for 3 hours 20 In for 2 seconds |
|
| Voltage circuit | 1.15 Vn for 3 hours | ||
| Fast Transient Disturbance | Power Input 4kV Other Input 2kV (Analog input 1kV) |
||
| ESD (Electrostatic Discharge) | Air 8kV Contact 6kV |
||
| Operation temperature | -10℃ ~ 55℃ | ||
| Storage Temperature | -25℃ ~ 70℃ | ||
| Humidity | Within 80% RH, no condensation | ||
| Altitude | 1000m and below | ||
| Others | Non-impact place Non-air pollution place |
||
| Standard | IEC 60255, IEC 61000-4, KEMC 1120 | ||
| Dimension (W×H×D) | 120×245×185 (mm) | ||
| Weight | 3.4kg | ||
















