Phase Monitoring / Potential Selector


Phase Monitoring / Potential Selector

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Phase Monitoring / Potential Selector

2P48 Potential Selecting Relay

  • Single or double shot reclose with selectable auto reset mode
  • Detects phase angle imbalance
  • Detects reverse phase sequence
  • Detects supply undervoltage
  • Unaffected by frequency variations of + 5Hz
  • Adjustable 5-15% out of balance setting
  • 110V 50Hz standard
  • Other optional detection voltages & frequencies
  • No auxiliary voltage required
  • Failsafe operation (Contact normally picked up)
  • Filter rejects harmonics & control tones
  • LED indicators to show healthy incoming and outgoing supplies
  • Size 4M draw out case
  • Made in Australia
Phase Monitoring / Potential Selector

2P49 Three Phase Voltage Monitoring Relay

  • High sensitivity
  • Detects phase angle imbalance
  • Detects negative phase sequence
  • Detects supply undervoltage
  • Unaffected by frequency variations of + 5Hz
  • Adjustable 5-15% out of balance setting
  • Range of detection voltages & frequencies available
  • No auxiliary voltage required
  • Fail safe operation (Contact normally picked up)
  • Filter rejects harmonics & control tones
  • Size 2M28-S draw out case
  • Standard heavy duty contacts
  • Optional mechanical flag indication
  • Optional 2s approx. time delay on drop off function
  • Made in Australia
Phase Monitoring / Potential Selector

2P740 700 Series Fail, Reversal, Under voltage Rel…

  • Phase monitoring relay
  • Ten year factory warranty
  • Control Tone Insensitivity – Ripple signal control tones will not cause nuisance tripping.
  • Frequency Insensitive System frequency shifts of a few Hz from nominal have minimal effect on trip voltage.
  • Plug in measuring module
  • Double insulated high impact polystyrol case
  • Termination socket included for surface mounting enabling front or rear connection with optional DIN rail mounting
  • Proven circuit designs based on over 20 years of field service in hundreds of varied & demanding applications
  • Tolerance to shock & vibration for generator, compressor & mobile applications