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What is the lock part number for NH trims on NEHB panelboards?

What is the door lock assembly for NEHB panel trims?

Product Line:
NEHB Panelboard, EHB Breaker

NEHB Panelboards

All main lug up to 400A and main breaker trims up to 225A: PK4FL

All 400A main breaker trims: PK5FL

Nema 3R/12: PK4NVL (These will be Series E1 enclosures.)
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