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Application Guide
Three Phase Sectionalizer
Solution 7
SERIES ZONE ISOLATION
Deep Fault: RX1 cycles, LBS2 locks before LBS1, Zone-2 isolated ... Zone-1 and Main Line
remain energized
Solution 8
INRUSH RESTRAINT
Fault Cleared Upstream: RX cycles and LBS1 locks out. Inrush Restraint blocks LBS2 ... Utility
Feeder and LBS2 remain energized
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