Operating records for overhead power lines reveal that most faults are of a transient nature ( e.g. lightning induced) & that service interruptions may be minimized by use of automatic reclosing of circuit breakers. An automatic reclosure of the circuit breaker, after the fault clears, provides improved service continuity & system stability. The 1B230 Series Reclose Relay provides for single or double shot automatic reclosing of circuit breakers, following interruption of supply due to a fault in the system.
Features
* Single or double shot reclose with selectable auto reset mode
* Shunt initiate input
* Optional series initiate input
* Safe to reclose input
* Line voltage interlock
* CB reclose spring status input to defer auto reclose pulse until fully charged
* Lockout LED indication
* Drive to lockout input
* Remote reset input
* Reclose in progress LED
* Instantaneous protection inhibit output & LED indication
* Wide auxiliary supply range with fail alarm contact
* Independently adjustable dead time delay per shot
* Common adjustable reclaim time delay
* Optional reclose counter
* Simple rugged design
* Size 4M draw out case |
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