F3 EFR1

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

Overview

  • 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
Category:
S2 CMR5
F3 EFR2

Description

Technical Specification

Supply Voltage

  • 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 Fault 10% to 100%

Trip Time Delay

  • Trip Time Delay 0.1 to 1 sec. or 1 to 10 sec. (Adjustable)

Resetting Mode

  • Resetting Manual / Remote
Operating Mode
  • Operating Mode Non Fail Safe

Weight

  • Weight 550 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)

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