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IDMT Overcurrent Earth Fault Relay

IDMT Overcurrent Earth Fault Relay
IDMT Overcurrent Earth Fault Relay
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Product Code : COP-IE
Brand Name : MRM PROCOM
Product Description


  • 16 Bit RISC, state of art, microcontroller based System.
  • Fundamental measurement of all measured parameters with 1% accuracy of measured value (Not full scale)
  • Backlit LCD Display for easy reading and parameter settings. No need to consult the manual while programming the unit. All system parameters are user programmable
  • All the inputs such as AC voltage and auxiliary voltage are completely isolated
  • Fast Fourier Transformation to extract fundamental components of current and voltage to avoid spurious tripping
  • Housed in 92X92mm Din Standard housing.
Protection, Supervision Salient Features
  • Three Phase Over current Protection (COP-IE, COP-I)
  • Three Phase Short Circuit Protection (COP-IE, COP-I)
  • Earth Fault Protection (COP-IE, COP-E)
  • High set earth fault protection (COP-IE, COP-E)

Display and Measurement

Display of R,Y,B Phase Current, Display of neutral / earth current

Salient Features

  • Wide range SMPS auxiliary supply (supply range from 50 to 300 VAC/DC Or 8-35 VDC)
  • Digital fast Fourier transformation.
  • Selectable display of current in primary or secondary value
  • Two digital inputs for external reset and external blocking.
  • One common trip contact
  • Three programmable alarm contact
  • Selectable auto / manual scroll of measurement

Output Contact

Four NO contact Contacts are available, one is reserved for tripping function, three are programmable for alarm function.

  • Trip (NO Contact)
  • Alarm 2 (NO Contact)
  • Alarm 1 (NO Contact)
  • Alarm 3 (NO Contact)

Technical Specifications

AC voltage withstand

330 VAC, Continuously, (Phase to neutral)

Frequency Range

40-70 Hz

Rated Current

1A /5A

Current withstand

4 times rated current

Measurement Accuracy

Voltage & Current



+O. 05 Hz.

Surge 1.2/50Usec


Auxiliary Voltage

8-35V/DC OR 50-300 V AC/DC

Contact Rating

230 VAC, 5A

Cut out Dimensions

90mm X 90mm



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Contact Details
    Faridabad, Harayana, India
  • Plot No. 20-21, Sector 59, Phase-2, Faridabad - 121004, Haryana, India
  • Phone : +918068092659
  • Send Inquiry Send SMS
  • Mr. Pankaj Gupta (Director)
  • Mobile : +918068092659
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