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

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Product Line:
NQ, NF, I-Line Panelboards and QO, Homeline Load Centers

Resolution:
See data bulletin 4100DB0301 for detailed information regarding the SCCR in load centers.

The beginning of section 9 of the Online Digest shows the tested combinations of breaker pairs and fuses ahead of breakers for NQ and NF panelboards. I-Line ratings can be found at the end of the same section. There may be other combinations of overcurrent protection (involving PowerPacT breakers, etc.) that series rate in addition to those listed on these tables.