Timing relay TD-52

The TD-52 consists of two TD-5 units mounted in an FT-22 case

The use of two TD-5 units allows utilization of two completely independent timing circuits for such applications as primary and back-up relaying systems.

The telephone type output relay contacts are suitable for circuit breaker trip duty. Two sets of transfer contacts adapt the relay to various circuit arrangements.
Why ABB?
  • Can be used as the timing relay forzone 2 and zone 3 in conventional line distance phase relaying
  • Can be used for beaker failure relaying for two breakers

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