What does the P1 suffix stand for on the Powerbus plug-in units such as PBPQO5A100P1?

Issue:
P1 suffix meaning on Powerbus plug-in units

Product Line:
225A Powerbus, I-Line Busway

Environment:
Products sold and used in North America

Resolution:
P1 form is a special feature for a customer where the enclosure housing is painted white.

Released for: Schneider Electric USA