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Monitoring Relays

70 Series - Line monitoring relay
Electronic voltage monitoring relays for single and three-phase applications

  • Multifunctional types, providing the flexibility of monitoring Undervoltage, Overvoltage, Window Mode, Phase rotation, Phase loss, Asymmetry and Neutral loss
  • Colored LEDs for clear & immediate visual indication
  • Modular housing, 17.5 or 35 mm wide
Clamp, screw terminal and screwless terminal or 35mm Rail (EN 60715) mount.

Download: PDF


71 Series - Monitoring relay 10AOver & Under
voltage monitoring
Voltage or current detecting
Phase asymmetry
Phase rotation
Phase loss
Thermistor temperature sensing

  • 35mm wide
  • 1 or 3 phase systems
  • Adjustable or Fixed values
  • Positive safety logic
  • 35mm rail (EN 60715) mount

Download: PDF


72 Series - Level control relays 16A
Level control (Emptying or Filling) for conductive liquids

  • Sensitivity fixed or adjustable (5…150kΩ)
  • 35mm rail (EN 60715) mount

Electrode/Electrode holder

Download: PDF



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