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GE FANUC IS200NATCH1C Warranty With One Year IS200NATCH1CPR3
The example above shows a plant wired through an interlocking protocol (Interlocking,
IL), so as to guarantee zone selectivity through PR223 EF release.
In case of short-circuit, the circuit-breaker immediately on the supply side of the
fault sends through the bus a block signal to the protection device hierarchically
higher and verifies, before tripping, that an analogous block signal has not been
sent by the protection on the load side.
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