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Can the PowerPact H and J breakers be used on a Corner grounded delta system?

Published date: 29 August 2019

Issue:
Can PowerPact H and J breakers be used on a grounded B phase system?

Product Line:
Circuit Breakers

Environment:
Powerpact H and J

Resolution:
Yes, the PowerPact H and J breakers can be used on 3 phase 3 wire grounded B phase systems.
  • A 2p breaker with the special 1Ø-3Ø marking may be used on a 240Vac or 480Vac corner grounded system (see specific breaker label for its particular rating)
  • A 3p breaker may be used on a 240Vac or 480Vac corner grounded system without special marking
See the attached file: corner grounded.xlsx

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