f3-efr2
  • Earth fault/Ground fault monitoring of 3 phase systems, Manual Reset,
  • Input 1A or 5A through CBCT,
  • Adjustable earth fault trip setting,
  • Adjustable trip delay,
  • 2 CO relay output
    System Supply
  • System 100 - 120 / 220 - 240 / 380 - 440 V AC
  • Auxillary 24 / 30 V DC ± 10% / 110 - 240 V AC / DC ± 20% / 380 / 415 / 440 V AC ± 20%, 50 Hz / 60 Hz ± 3%
    Ext. Input
  • Ext. Input 1 Amp / 5 Amp CT Secondary OR 250 mA / 500 mA
    Output Contact
  • Output Contact 2 CO
    Trip Setting
  • Earth Fault 5% to 80% (Adjustable) of Rated Current Input
    Trip Time Delay
  • Trip Time Delay0.025 to 10 sec
    Resetting Mode
  • Resetting Mode Manual / Remote
    Operating Mode
  • Operating Mode Non Fail Safe
    Weight
  • Weight300 gms (Approx.)
    Dimensions (mm)
  • Overall (L x W x D)96 X 96 X 80
  • Mounting (L x W)92 X 92
    Note:
  • Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)
    Note
  • Realy Contact Shown In Trip Condition
  • CT Conection Shown For CBCT With 5 Amp Sec Rating

Suitable for following application:

  • Generator Panels
  • Synchronizing Control Panels
  • AMF Panels, MCC panels
  • Air Circuit Breakers (With shunt Trip Coil)
  • MCCB (With Shunt Trip Coil)
  • Motor Control Panels

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