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What is the largest branch breaker that can be installed in an NQOD442L225 Interior?

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UL 67, UL 50, CSA C22.2 No.'s 20-M1989 & 94-M91, NEMA PB1, NFPA 70 Art. 408, Federal Specification W-P-115C Type 1 Class 1 , 2003 IBC, NFPA 5000, ASCE/SE17

Determining the highest ampacity branch device can be important in determining if a panelboard is suitable for serving a load.


The largest breaker that can be branch mounted in an NQOD442L225 interior is the QOB3150VH breaker. The breaker requires 6 pole spaces and the maximum amperage breaker that can be mounted across from it is 20A.  NOTE:  NQOD panelboards are obsolete, superseded by NQ.

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