f3-efr1
  • 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 ± 20%
  • Auxillary 100 - 120 / 220 - 240 / 415 V AC ± 20%, 50 / 60 Hz. 24 V DC ± 20%
    Ext. Input
  • Ext. Input 1 Amp / 5 Amp CT Secondary OR 250 mA / 500 mA
    Output Relay Contact
  • Output Relay Contact 2 CO
    Trip Setting
  • Earth Fault10% to 100%
    Trip Time Delay
  • Trip Time Delay0.1 to 1 sec. or 1 to 10 sec. (Adjustable)
    Resetting Mode
  • Resetting Mode Manual / Remote
    Operating Mode
  • Operating Mode Non Fail Safe
    Weight
  • Weight550 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)

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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