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3 Yrs
B-80, 2nd & 3rd Floor, Rajajinagar Industrial Estate, KSSIDC
Bengaluru, Karnataka-560010, India9980456846
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Static Earth Fault Relay

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Understanding the demands of customers as a manufacturer, supplier, exporter and trader, we are providing Static Earth Fault Relay. Our offered relays are current sensing devices that are tropicalized and manufactured employing advanced machinery and technology. Can be installed with various earth fault protective schemes, the relays offered by us finds their application in generators, alternators, transformers and feeders.


  • Static Device
  • Compact, Reliable with Aesthetic Value
  • Rugged, Robust and Tropicalised design
  • Consistent repeat accuracy
  • Wide Current Operating range
  • LED Indication for Healthy & Fault Status
  • Manual Reset & Low Burden on CT Secondary


Auxiliary Voltage110V/230V/415V/550V, AC 50 Hz 48/110/220 VDC
Neutral or Summation CT Rated Current-In1A or 5A (Factory Set)
Burden on CT<0.2VA
Sensitivity Settings Plug Setting Range(PS)`PS Range : (10%-80%) of In. in steps OF 10%
Definite Time Settings in Sec0.15 to 3.0 Sec (6 Steps)
Steps : 0.15, 0.25, 0.50, 1.00, 2.00 and 3 Sec.
IDMT CurvesNot Applicable
Time Setting Multiplier (TMS)Not Applicable
High Set Enable/Disable OptionNot Applicable
High SetNot Applicable
Time for High Set OperationNot Applicable
CBCT / ZCT / ZCT / ZCT / ZCT size for EFRCircular: 40 mm,65 mm,100 mm,150 mm,200 mm,250 mm and 300 mm with Secondary 1A only
Contact Capacity (A)8A-250V AC
8A-30V DC
Contact typeNC-C-NO One change over (optional - Two change over)
Operating Temperature (°C)-5°C to +55°C
StandardIEC - 60255
Relay Setting ModeSetting through DIP switch: PS and Definite time
Display/IndicationLED for indicating the status: Green LED-Healthy and Red LED-Trip
Relay Test FacilityAvailable through push button
Mounting TypeFlush Din/Surface
Dimensions in mmFlush: 96 x96 x70, Din: 75x95x75 (W x H x D)
Panel cut out in mm (Flush type)90x90+0.1 mm


  • Earth Fault Protection for Generators/Alternators
  • Earth Fault Protection for Transformers and Feeders


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