S2 CMR4

  • 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
    System Supply
  • 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 Contacts
  • Output Contact 2 CO
    Trip Setting
  • EF Trip Setting 10% - 100% of Rated Current Input (Variable) (Input through CBCT of 300m A Secondary)
  • Under CurrentN.A.
  • Over Voltage N.A.
    Trip Time Delay
  • Trip Time Delay0.1-1 Sec. (Adjustable)
    Power on Delay
  • Power on Delay 1-10 Sec. (Adjustable)
    Resetting
  • Reset Manual
    Weight
  • Weight140 gms.
    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)

Relay contact position shown in 'Power off' condition

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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