The types H-3 and HV-3 relays are polyphase direction relays which are used to obtain high speed directional discrimination during faults on power systems.
The type HV-3 relay has a voltage restraint element which introduces a restraining torque on the relay proportional to the area of the voltage triangle.
Long production life, ease of application and reliable protection
- High quality design
- 12 year warranty
- Short lead times
- Consistent on-time delivery
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