Are the ET1.0 trip units in M frame breakers adjustable or interchangeable?

Issue:
Is the ET1.0 Trip Unit in Powerpact M frame breakers interchangeable?

Product Line:
Powerpact Breakers

Resolution:
The ET1.0 trip units on the Powerpact M-frame breakers cannot be replaced. They are basic trip units which have instantaneous (inrush) adjustability, but not long time or amperage adjustability.

Released for: Schneider Electric USA