The POQ high-speed relay provides sensitive detection of unbalances or unbalanced faults in three-phase power systems.
The POQ high-speed relay provides sensitive detection of unbalances or unbalanced faults in three-phase power systems. It is commonly used to detect unbalances on feeder or distribution circuits, or to detect single phasing in generator or motor circuits.
Why ABB?
- Long product life
- Ease of application
- Reliable protection
- High-quality design