SLR 140C12

Stelmec Limited has been manufacturing various types of Outdoor and Indoor Control, Relay and Protection Panels up to 400kV for the last 20 years in their state of art manufacturing facility located at Usgaon near Mumbai.

Salient Features

SLR 140C12 Over current and Earth fault with IEC61850

  • Two Stages Over Current, Calculated Earth Fault and Measured Earth Protection Relay (50/51/50N/ 51 N/ 50G/ 51 G)
  • IDMTL Characteristics – Nl, VI, El, LTI, 3s, 1.3s, 0.6s & DTL for Phase & Earth Fault
  • Transient Free Phase Fault & Earth Fault High Set Elements
  • Latest 999 Log With Time Stamp Resolution
  • Latest 999 Events Log With Time Stamp Resolution
  • User Friendly Local HMI
  • Hardware and Software Self Diagnosis
  • Four Discrete Elements For Phase Fault & Earth Fault
    High Impedance Fault Protection (HiZ)
  • Neutral Displacement Protection (NDR) for Blocking
    Earth Element during Single Phase Load Conditions
  • Programming Logic Equation & Protection Blocking
    Feature
  • 1 or 2 or 4 Setting Groups — Auto or Manual and
    Digital Input Based Selection
  • IEC 61850 and/or IEC 60870-5-103 and/or MODBUS-RTU Communication Protocol for SCADA
  • Inbuilt Disturbance Recorder for Latest 99 Fault
  • User Configurable Relay Digital Outputs Digital Inputs & LEDs
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