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Short-circuit current rating (SCCR) and series rating information for panelboards and load centers

Issue:
Series Ratings

Product Line:
NQ, NF, I-Line Panelboards and QO, Homelines loadcenters

Resolution:
See data bulletins 2700DB9901 (for panelboards) and 4100DB0301 (for load centers) for detailed information regarding the SCCR in panelboards and load centers. Digest 178 pages 9-2 thru 9-5 show many tested combinations of breaker pairs and fuses ahead of breakers. There may be other combinations of overcurrent protection (involving Powerpact breakers, etc.) that series rate in addition to those listed on these tables.