What is zone selective interlocking (ZSI)?
Issue:
What is ZSI?
Product Line:
Molded Case Circuit Breakers
Resolution:
Zone selective interlocking (ZSI): a communication capability between electronic trip systems and ground fault relays that permits a short circuit or ground fault to be isolated and cleared by the nearest upstream device with no intentional time delay.
What is ZSI?
Product Line:
Molded Case Circuit Breakers
Resolution:
Zone selective interlocking (ZSI): a communication capability between electronic trip systems and ground fault relays that permits a short circuit or ground fault to be isolated and cleared by the nearest upstream device with no intentional time delay.
Released for: Schneider Electric Canada
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