Will old Masterpact MP breaker trip units STR28D, STR38S, or STR58U work in the Masterpact NW breaker?

Issue:
Will the STR trip units used on the MP Masterpacts work on the new NT/NW Masterpact breakers?

Product Line:
Masterpact Circuit Breakers

Resolution:
No. The control units for the old Masterpact will not work in the NW.

Released for: Schneider Electric USA