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Can the EDB-EPD type breaker for the NF panelboard be used on a 120/240 Vac system?

Published date: 02 October 2019

Issue:
Which voltage systems can the EDB-EPD type breakers be used on?

Product Line:
Circuit Breakers

Environment:
EDB-EPD

Resolution:

EDB-EPD breakers designed for use on a single phase of a 3-phase system. They are rated 240 to 277 Vac and will not work on 120V.  They can be used on the following systems:

• 240/480V Delta with center tap grounded
• 277Y phase to ground
• 240V corner grounded
 

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