Phase Monitoring / Potential Selector
.png)
2P48 Potential Selecting Relay
- 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
See more details
.png)
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
See more details
.png)
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
See more details