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DBT Digital Breaker Supervision

DBT Digital Breaker Supervision


This product is under last-time buy. Orders may be placed until 1st September 2021 and will be fulfilled based upon availability. As an alternative, refer to MVAX31/91, or trip circuit supervision feature in UR, MiCOM Agile or 8 Series relays.


The DBT is a digital relay that supervises the integrity of the breaker's tripping and closing circuits. The relay checks the continuity of the coil regardless of the status of the breaker (open or closed). It also includes a time delay in order to avoid misoperations during open to closed transitions. It can supervise three different coils at the same time. It has a DC undervoltage unit which checks the breaker's operating power supply voltage.

Applications
  • Trip circuit supervision
  • Protection and Control
  • Supervision of breaker coils
  • Undervoltage unit
  • Monitoring and Metering
  • Measurement of the breaker's operating DC power supply
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