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Phase Failure Relays
These relays are applicable to monitor Main Supply Voltage to prevent unit in case of general supply fault like phase lose, phase reversal, under voltage, over voltage. This are applicable to control panels for Motor/Pump, Machines, Air conditioner etc. |
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| Features: |
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Micro controller based technology |
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Phase failure protection with under and over voltage protection. |
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Din Rail mounting. |
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Plug in type (11 Pin) mounting. |
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Adjustable Phase Unbalance(Voltage) Limit setting |
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Protection against phase reversal |
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Adjustable UV and OV limit setting. |
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| PFR-101 |
Phase Failure
Relay |
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| PFR-102 |
Phase Failure
with UV & OV Relay |
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| PFR-103 |
Phase Failure
with UV & OV Relay |
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| PFR-104 |
Phase Failure
Relay |
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| PFR-9601 |
Phase Failure
With UV & OV Relay |
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| System Voltage |
415+/-20% Vac,
3 Ph., 50 Hz |
415+/-20% Vac,
3 Ph., 50 Hz |
415+/-20% Vac,
3 Ph., 50 Hz |
415+/-20% Vac,
3 Ph., 50 Hz |
415+/-20% Vac,
3 Ph., 50 Hz |
| Auxiliary Voltage |
415/230/110 Vac
+/- 20%, 50 Hz |
415/230/110 Vac
+/- 20%, 50 Hz |
415/230/110 Vac
+/- 20%, 50 Hz |
415/230/110 Vac
+/- 20%, 50 Hz |
415/230/110 Vac
+/- 20%, 50 Hz |
| Settings: |
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- |
- |
- |
- |
| Phase Unbalance(volt) |
45 V +/- 15 V |
45 V +/- 15 V |
30 V To 70 V +/- 5V |
45 V +/- 15 V |
30 V To 70 V +/- 5 V |
| Over Voltage |
- |
120% +/- 5V |
105% To 120% V |
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105% To 120% V |
| Under Voltage |
- |
80% +/- 5V |
80% To 95% V |
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80% To 95% V |
| Over Current |
- |
- |
- |
- |
- |
| Phase Unbalance(current) |
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- |
- |
- |
- |
| Dry Run |
- |
- |
- |
- |
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| Tripping Time |
4 To 7 Sec |
4 To 7 Sec |
4 To 7 Sec |
4 To 7 Sec |
4 To 7 Sec |
| Reset Mode |
Auto/manual/external |
Auto/manual/external |
Auto/manual/external |
Auto |
Auto/manual/external |
| Reset Time |
10 To 20 Sec |
10 To 20 Sec |
10 To 20 Sec |
10 To 20 Sec |
10 To 20 Sec |
| Dimensions (LxWxH) |
108x55x90 MM |
108x55x90 MM |
108x55x90 MM |
78x23x100 MM |
96x96x95 MM |
| Weight(approx.)GMS |
468 |
476 |
482 |
104 |
650 |
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Motor/Pump Protection Relays
MGR/PGR has all the functions to protect/prevent motor/pump in case of dry run, overload, phase failure, phase unbalance, over voltage, under voltage condition. This relays are combined with all of this or individual protections. |
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| Applications: |
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Submersible pump/motor. |
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Machines, Compressors, ventilation fans, Conveyor drive motors etc. |
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| Features: |
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Microcontroller based technology. |
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Current upto 80 Amp. Can be sense through GELCO CTU. |
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Protection against phase reversal. |
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OV & UV protection. |
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Phas unbalance (Current) Protection |
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Current Sensing Phase Failure, Over Load Protection. |
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Dry Run Protection |
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| PFR - 101 / 102 103 |
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Short Terminnals "EXT-RST" for external reset |
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Reset can be done through RST
Push button on unit. |
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| PFR - 104 |
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Relay will be energised in healthy supply condition |
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1 : NC
2 : -
3 : C
4 : NO
5 : -
6 : R
7 : B
8 : Y |
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| PFR - 9601 |
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Relay is energized in case of healthy supply |
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MAN / AUTO reset is provided through man/auto side switch |
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MGR-101 |
MGR-102 |
PGR-103 |
PGR-102 |
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Phase Failure
with UV & OV Relay |
Phase Failure
with UV & OV Relay |
Phase Failure
with UV & OV Relay |
Phase Failure
with UV & OV Relay |
| System Voltage |
415 +/-20% Vac,
3 Ph., 50 Hz |
415 +/-20% Vac,
3 Ph., 50 Hz |
415 +/-20% Vac,
3 Ph., 50 Hz |
415 +/-20% Vac,
3 Ph., 50 Hz |
| Auxiliary Voltage |
415/230/110
Vac
+/- 20%, 50 Hz |
415/230/110 Vac
+/- 20%, 50 Hz |
415/230/110 Vac
+/- 20%, 50 Hz |
415/230/110 Vac
+/- 20%, 50 Hz |
| Settings: |
- |
- |
- |
- |
| Phase Unbalance(volt) |
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45 V +/- 15 V |
- |
45 V +/- 15 V |
| Over Voltage |
120% +/- 5V |
120% +/- 5v |
120% +/- 5v |
120% +/- 5v |
| Under Voltage |
80% +/- 5V |
80% +/- 5v |
80% +/- 5v |
80% +/- 5v |
| Over Current |
Above 120% of set current. |
Above 120% of set current. |
Above 120% of set current. |
Above 120% of set current. |
| Phase Unbalance(current) |
50% of full scale current |
50% of full scale current |
50% of full scale current |
50% of full scale current |
| Dry Run |
- |
- |
40% TO 80% of
overload setting |
40% TO 80% of
overload setting |
| Tripping Time |
4 To 7 Sec |
4 To 7 Sec |
4 To 7 Sec |
4 To 7 Sec |
| Reset Mode |
Auto/manual/external |
Auto/manual/external |
Auto/manual/external |
Auto |
| Reset Time |
10 To 20 Sec |
10 To 20 Sec |
10 To 20 Sec |
10 To 20 Sec |
| Dimensions (LxWxH) |
108x55x90 MM |
108x55x90 MM |
108x55x90 MM |
78x23x100 MM |
| Weight(approx.)GMS |
450-Main Unit |
455-Main Unit |
460- Main Unit |
460- Main Unit |
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