What is the dimension from where the Main circuit breaker ends to the top of the box form a Main breaker NQ442L4C panelboard?

Issue:
What is the distance from top of Main to the top of the Enclosure Can?

Product Line:
NQ Panelboards

Environment:
Installation

Cause:
Entry Cable length

Resolution:
For TOP fed Main breaker, wire bending space is 15.43 in., see link below for drawing.

https://www.schneider-electric.us/en/download/document/PBA710A/

Released for: Schneider Electric USA