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GE Multilin
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GE Multilin Authorized Distributor ECP Electrical Supply Houston, TX GE Multilin 469 Motor Protection System 369 Motor Management Relay 269 Plus Motor Protection System GE Multilin 239 Motor Management Relay SPM Synchronous Motor Protection System 735/737 Feeder Protection System GE Multilin 750/760 Feeder Protection System F485 Serial Converter PQM II Power Quality Metering System GE Multilin 745 Transformer Protection System

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Reference Material



GE Multilin 239 Motor Protection System


GE Multilin 239 Motor Protection System - Motor Management Relay

239 Motor Protection Relay Motor Protection & Management for Small to Medium Size Motors

The GE Multilin 239 relay is designed to fully protect three phase AC motors against conditions which can cause damage. In addition to motor protection, the 239 relay has features that can protect associated mechanical equipment, give an alarm before damage results from a process malfunction, diagnose problems after a fault and allow verification of correct relay operation during routine maintenance.


GE Multilin 239 Motor Protection Relay Features & Benefits


  • Follow technology evolution - Flash memory for product field upgrade
  • Save on installation cost - Compact design
  • Access information - via Modbus RTUâ„¢
  • Enhanced protection - incorporates thermal models
  • RTD inputs
  • Setting flexibility - Multiple setpoint groups
  • Asset Monitoring - Temperature monitoring via optional
  • Simplify testing - Built in simulation features

239 Motor Protection System Applications


  • Pumps, conveyors, compressors, fans, sawmills, mines
  • Complete protection of small to medium sized motors

Protection & Control


  • Thermal Overload (15 selectable curves) - Trip and alarm, immediate current overload alarm
  • Motor start supervision
  • Phase short circuit
  • Multi-speed motor protection
  • Mechanical jam
  • Trip/alarm/auxiliary/service outputs
  • Thermal memory lockout
  • Breaker Failure
  • Single-Phasing / Current unbalance
  • Undercurrent
  • Ground fault - trip and alarm
  • Overtemperature: via thermistor or optional RTD inputs



GE Multilin 239 Motor Protection System - Motor Management Relay - Functional Block Diagram