KE Series Single-Phase Motor Protection Relays

Small footprint integrated CT direct measurement up to 50 A with extendable current range using interposing CTs. Target market includes all pumping and compressor applications. Comprehensive selectable protection features incorporating overvoltage, undervoltage, phase rotation and earth leakage detection with selectable instantaneous or IDMT curves.

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Feature of KE Series Single-Phase Motor Protection Relays

  • Thermal Overload Protection
  • Locked Rotor Protection
  • Running Stall / Jam Protection
  • Vectorial Stall Detection
  • Unbalanced Current / Single Phasing
  • Minimum Load / Underload Protection
  • Earth Leakage / Earth Fault Protection
  • Short-circuit Protection
  • Starts per Hour Limitation
  • Over / Undervoltage / Phase Rotation
  • Over / Under Frequency Protection
  • Real & Apparent Power Measurement
  • Insulation Lock-out
  • 2000 Event Recording
  • 60 Last Fault Records
  • Three-Phase Current Recorder
  • On-Board Simulator
  • Profibus Communication
  • All settings are done via software

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