239 Analog Meter Relays

Crompton Series 239 Analog meter relays combine a highly accurate indicator with High and Low set point relays. The relays can operate alarm and control devices when the monitored signal value moves outside the chosen set point limits shown by adjustable red index pointers. A single compact case houses the unit which requires only the input signal and power supply thus saving space and installation time.


  • Liquid level control
  • Load shedding
  • Power factor correction
  • High & Low alarms
  • Shutdown
  • Frequency monitoring
  • Temperature indication and control


  • Panel Mounting Gasket
  • External reset switch
  • Finger knob set-point adjusters
  • Hysteresis
  • Relay Latching

 Key Features

  • Class 1.5 Accuracy
  • Stable electronic switching circuit does not use lamps, photocells, inductors or capacitors
  • Isolated input signal
  • Control function continues if the indicator becomes damaged
  • Rugged, shock and vibration resistant design
  • LED relay status indicators


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