Motor / Pump Protection Relays
D3 DMPR1
Technical Data
Supply Voltage
- System Supply 380 - 440 V AC ± 20%, 45 - 55 Hz.
- Auxiliary Supply 90 - 270 V AC / DC, 415 V AC
Internal CT For D3 DMPR1
- Internal CT For D3 DMPR15 Amp or 20 Amp. or 50 Amp
Output Contacts
- Output Contacts2 CO
Trip Setting
| Parameters | Range | Resolution | Fact setting | Trip delay Range | Factory setting | By Pass Facility | Reset type |
| Ext. CT | 50 - 600 | 5 Amp | 100 Amp | NA | NA | NA | NA |
| Set current (FLC) | 20 to 100 % of FLA | 1 Amp | 100 Amp | NA | NA | NA | NA |
| Over Load | Above 110 % of Set Value | NA | NA | IDMT class 2,5,10,15,20, 30 sec | 2 sec | Yes | Auto/ Manual |
| Start up delay | 0 - 60 sec | 1 sec | 10 sec | NA | NA | NA | NA |
| Under Current | 30 - 90% | 5% | 50% | 1- 60 sec | 5 sec | Yes | Auto/ Manual |
| Over Current | 110 - 350% | 5% | 200% | 1 -10 sec | 2 sec | Yes | Auto/ Manual |
| Current Unbalance | 20 – 60 % | 5% | 50% | 4 sec Fixed(+/- 1 sec) | 4 sec | Yes | Auto/ Manual |
| Current Single Phasing | Yes | NA | NA | 4 sec Fixed(+/- 1 sec) | 4 sec | Yes | Auto/ Manual |
| Reverse Phase | Yes | NA | NA | Instant ( < 2 sec) | NA | Yes (Password protected) | Auto/ Manual |
| Stalling | 200- 800% | 50% | 700% | Instant ( < 2 sec) | NA | Yes | Auto/ Manual |
| Earth Fault | 10- 100% | 10% | 30% | 0.5-10 sec | 0.5 sec | Yes | Auto/ Manual |
| Short Circuit | 600 - 999% | 50% | 800% | Instant(< 2sec) | NA | Yes | Auto/ Manual |
Fault Memory
- Fault MemoryLast 10 faults
Resetting Mode
- Reset Auto / Manual
Display
- Display8 X 2 AN LCD
Weight
- Weight 400 + 150 GMS (Approx)
Dimensions (mm)
- Overall (L x W x D)71 x 100 x 111
- Overall (H x L x D)48x 96 x 55
- Mounting (L x W)35 mm DIN Rail
