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Can a NF panel with factory installed 400 amp main breaker be converted to a main lug panel?

Issue:
Can a NF panel with factory installed 400 amp main breaker be converted to a main lug panel?

Product Line:
System Optimum Building

Environment:
Products sold and used in the United States

Cause:
Repair parts for older Series 0 or no series NF panelboard interiors. 

Resolution:
Effective 2014, these parts are obsolete and no longer available. They were parts for the Series 0 or no Series NF panelboards.  They do not work in the current Series E1
NF panelboard.  There is no replacement for these parts.

(1) 80113-270-50 Barrier Assembly
(1) NALM4 Main Lug Kit
(1) 80103-079-02 Closing Plate
(4) 21593-17080 Screws

REVISION 11/2015:
Part number 80113-270-50 is not obsolete with no replacement. Consider a sheet metal fabricator custom make something to replace it. 

CTA-ID : 2035896

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