S2 CMR4

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 leakage monitoring of 3 phase systems,
  • Microcontroller based design,
  • SMD technology, Manual Reset,
  • Input through CBCT,
  • Adjustable trip setting,
  • Adjustable trip delay & ON delay,
  • 2 CO relay output
  • Failsafe-non-failsafe seletable
Category:
F3 ELR1
D2 EFR1

Description

Technical Specification

Supply Voltage

  • System 100-120/220-240/380-440 V AC ± 20%, 48-63 Hz
  • Auxillary 100-110/240V AC / 24V DC ± 20%

Ext. Input

  • Ext. Input 300mA CBCT (Secondary)

Output Relay Contact

  • Output Relay Contact 2 CO 

Trip Setting

  • EF Trip Setting  10% – 100% of Rated Current Input (Variable) (Input through CBCT of 300m A                                     Secondary)
  • Under Current N.A.
  • Over Voltage     N.A.

Trip Time Delay

  • Trip Time Delay 0.1-1 Sec. (Adjustable)

Power on Delay

  • Power on Delay 1-10 Sec. (Adjustable)

Resetting Mode

  • Resetting Manual 

Weight

  • Weight 140 gms (Approx.)

Dimensions (mm)

  • Overall (L x W x D) 90 x 35 x 60
  • Mounting (L x W)   35 mm rail Mounting

Note:

  • Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)

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