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Numerical Over Current and Earth Fault Protection Relay


Salient Features

  • Software Configurable 1A & 5A CT Input
  • Two Stages Over Current and Two Stage Earth Fault Protection Relay
  • IDMT Characteristics - NI, VI, EI, LTI, 3s, 1.3s, 0.6s & DTL
  • Auxiliary Power Supply - (24/30/110/220) VDC
  • Latest 999 Fault Events with 1ms Time Stamp Resolution
  • User friendly Local HMI
  • Hardware and Software Self-Diagnosis
  • NDR Controlled Earth Fault Protection
  • Circuit Breaker Fail Protection
  • Trip Circuit Supervision
  • Multi-shot Autoreclosure
  • Cold Load Pick up
  • 1 or 2 or 4 Setting Groups – Auto or Manual Selection
  • IEC 60870-5-103 and/or MODBUS-RTU Communication Protocol
  • Inbuilt Disturbance Recorder
  • User Configurable upto 7 DI / 6 DO
  • Draw-out / Fixed Type Case
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Casing

  • (WxHxD): 134 x 180 x 212 mm ~
  • Cutout size (WxH): 110 x 158 mm ~
  • Degree of Protection: IP 54
  • Weight: 2.5 Kg (approx)
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  • There is a continuous effort at Stelmec to keep abreast of latest technology inline with customer's requirement
  • All these activities are followed as per ISO 9001 : 2008
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