Entec Load Break Switch Application Manual - Page 4

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Application Guide

Three Phase Sectionalizer

Solution 3

UTILITY VOLTAGE RESTRAINT WITH DOWNSTREAM RECLOSER

Customer Fault: Customer recloser cycles to clear fault and locks out, Voltage Restraint blocks

LBS count ... PME and Utility Feeder remain energized

Solution 4

INDUSTRIAL VOLTAGE RESTRAINT WITH DOWNSTREAM RECLOSER

Zone A Fault: RX1 cycles to clear fault and LBS locks out ... critical SWD continues.

Zone B Fault: RX2 cycles to clear fault, Voltage restraint blocks LBS count ... RX2 locks out

and critical SWD continues.