What electrical accessory option is Vext in a Masterpact NW/NT?

FA173219

6/08/2020

Issue:
Masterpact NW: What electrical accessory option is Vext?

Product Line:
Air Circuit Breakers

Environment:
Masterpact NW and NT

Cause:
Looking at secondary wiring options

RESOLUTION
External voltage sensing for the P or H trip unit, rather than the standard internal voltage sensing option.