• Electronics
  • Phase Failure Relays / Motor-Pump Protection Relays

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Phase Failure Relays / Motor-Pump Protection Relays

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.

Features
  • Micro controller based technology  
  • Phase failure protection with under and over voltage protection.  
  • Din Rail mounting.  
  • Plug in type (11 Pin) mounting.  
  • Adjustable Phase Unbalance(Voltage) Limit setting  
  • Protection against phase reversal  
  • Adjustable UV and OV limit setting.
 
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.

Applications
  • Submersible pump/motor  
  • Machines, Compressors, ventilation fans, Conveyor drive motors etc.
Features
  • Microcontroller based technology.  
  • Current upto 80 Amp. Can be sense through CTU  
  • Protection against phase reversal.  
  • OV & UV protection.  
  • Phas unbalance (Current) Protection  
  • Current Sensing Phase Failure, Over Load Protection.  
  • Dry Run Protection
PFR-101 - Phase Failure Relay


  • Short Terminnals "EXT-RST" for external reset
  • Reset can be done through RST Push button on unit.
System Voltage 415+/-20% Vac, 3 Ph., 50 Hz
Auxiliary Voltage 415/230/110 Vac +/- 20%, 50 Hz
Settings: -
Phase Unbalance(volt) 45 V +/- 15 V
Over Voltage -
Under Voltage -
Over Current -
Phase Unbalance(current) -
Dry Run -
Tripping Time 4 To 7 Sec
Reset Mode Auto/manual/external
Reset Time 10 To 20 Sec
Dimensions (LxWxH) 108x55x90 MM
Weight(approx.)GMS 468
PFR-102 - Phase Failure with UV & OV Relay


  • Short Terminnals "EXT-RST" for external reset
  • Reset can be done through RST Push button on unit.
System Voltage 415+/-20% Vac, 3 Ph., 50 Hz
Auxiliary Voltage 415/230/110 Vac +/- 20%, 50 Hz
Settings: -
Phase Unbalance(volt) 45 V +/- 15 V
Over Voltage 120% +/- 5V
Under Voltage 80% +/- 5V
Over Current -
Phase Unbalance(current) -
Dry Run -
Tripping Time 4 To 7 Sec
Reset Mode Auto/manual/external
Reset Time 10 To 20 Sec
Dimensions (LxWxH) 108x55x90 MM
Weight(approx.)GMS 476
PFR-103 - Phase Failure with UV & OV Relay


  • Short Terminnals "EXT-RST" for external reset
  • Reset can be done through RST Push button on unit.
System Voltage 415+/-20% Vac, 3 Ph., 50 Hz
Auxiliary Voltage 415/230/110 Vac +/- 20%, 50 Hz
Settings: -
Phase Unbalance(volt) 30 V To 70 V +/- 5V
Over Voltage 105% To 120% V
Under Voltage 80% To 95% V
Over Current -
Phase Unbalance(current) -
Dry Run -
Tripping Time 4 To 7 Sec
Reset Mode Auto/manual/external
Reset Time 10 To 20 Sec
Dimensions (LxWxH) 108x55x90 MM
Weight(approx.)GMS 482
PFR-104 - Phase Failure Relay


  • Relay will be energised in healthy supply condition

  • 1 : NC
  • 2 : -
  • 3 : C
  • 4 : NO
  • 5 : -
  • 6 : R
  • 7 : B
  • 8 : Y
 
System Voltage 415+/-20% Vac, 3 Ph., 50 Hz
Auxiliary Voltage 415/230/110 Vac +/- 20%, 50 Hz
Settings: -
Phase Unbalance(volt) 45 V +/- 15 V
Over Voltage -
Under Voltage -
Over Current -
Phase Unbalance(current) -
Dry Run -
Tripping Time 4 To 7 Sec
Reset Mode Auto
Reset Time 10 To 20 Sec
Dimensions (LxWxH) 78x23x100 MM
Weight(approx.)GMS 104
PFR-9601 - Phase Failure With UV & OV Relay


  • Relay is energized in case of healthy supply
  • MAN / AUTO reset is provided through man/auto side switch
System Voltage 415+/-20% Vac, 3 Ph., 50 Hz
Auxiliary Voltage 415/230/110 Vac +/- 20%, 50 Hz
Settings: -
Phase Unbalance(volt) 30 V To 70 V +/- 5 V
Over Voltage 105% To 120% V
Under Voltage 80% To 95% V
Over Current -
Phase Unbalance(current) -
Dry Run -
Tripping Time 4 To 7 Sec
Reset Mode Auto/manual/external
Reset Time 10 To 20 Sec
Dimensions (LxWxH) 96x96x95 MM
Weight(approx.)GMS 650
MGR-101 - Phase Failure with UV & OV Relay

System Voltage 415 +/-20% Vac, 3 Ph., 50 Hz
Auxiliary Voltage 415/230/110 Vac +/- 20%, 50 Hz
Settings: -
Phase Unbalance(volt)  
Over Voltage 120% +/- 5V
Under Voltage 80% +/- 5V
Over Current Above 120% of set current.
Phase Unbalance(current) 50% of full scale current
Dry Run -
Tripping Time 4 To 7 Sec
Reset Mode Auto/manual/external
Reset Time 10 To 20 Sec
Dimensions (LxWxH) 108x55x90 MM
Weight(approx.)GMS 450-Main Unit
MGR-102 - Phase Failure with UV & OV Relay

System Voltage 415 +/-20% Vac, 3 Ph., 50 Hz
Auxiliary Voltage 415/230/110 Vac +/- 20%, 50 Hz
Settings: -
Phase Unbalance(volt) 45 V +/- 15 V
Over Voltage 120% +/- 5v
Under Voltage 80% +/- 5v
Over Current Above 120% of set current.
Phase Unbalance(current) 50% of full scale current
Dry Run -
Tripping Time 4 To 7 Sec
Reset Mode Auto/manual/external
Reset Time 10 To 20 Sec
Dimensions (LxWxH) 108x55x90 MM
Weight(approx.)GMS 455-Main Unit
PGR-103 - Phase Failure with UV & OV Relay

System Voltage 415 +/-20% Vac, 3 Ph., 50 Hz
Auxiliary Voltage 415/230/110 Vac +/- 20%, 50 Hz
Settings: -
Phase Unbalance(volt) -
Over Voltage 120% +/- 5v
Under Voltage 80% +/- 5v
Over Current Above 120% of set current.
Phase Unbalance(current) 50% of full scale current
Dry Run 40% TO 80% of overload setting
Tripping Time 4 To 7 Sec
Reset Mode Auto/manual/external
Reset Time 10 To 20 Sec
Dimensions (LxWxH) 108x55x90 MM
Weight(approx.)GMS 460- Main Unit
PGR-102 - Phase Failure with UV & OV Relay

System Voltage 415 +/-20% Vac, 3 Ph., 50 Hz
Auxiliary Voltage 415/230/110 Vac +/- 20%, 50 Hz
Settings: -
Phase Unbalance(volt) 45 V +/- 15 V
Over Voltage 120% +/- 5v
Under Voltage 80% +/- 5v
Over Current Above 120% of set current.
Phase Unbalance(current) 50% of full scale current
Dry Run 40% TO 80% of
overload setting
Tripping Time 4 To 7 Sec
Reset Mode Auto
Reset Time 10 To 20 Sec
Dimensions (LxWxH) 78x23x100 MM
Weight(approx.)GMS 460- Main Unit
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