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Series Ratings

NQ Panelboards

Class 1640

This page contains UL Tested and Certified series combination ratings for panelboards. These ratings apply to either an integral main located in the same enclosure or a remote main located in a separate enclosure.

 

Table 9.1:

NQ Series Connected Circuit Breaker Ratings (RMS Symmetrical)

Max. System Voltage ACab	Max. Short Circuit Current Rating	Square D Brand Integral or Remote Main Circuit Breakers and Remote Main Fuses	Square D Brand Branch Circuit Breaker Catalog Designation and Allowable Ampere Rangescde
			Type	1 Pole	2 Pole	3 Pole
120/240 1PH	22,000	MG	QO (B)	15–30A	—	—
	42,000	HD, JD	QO (B) PL		15–60 A	15–30 A
	65,000	HG, JG	QO (B) PL
	100,000	HJ, JJ	QO (B) PL
	125,000	HL, JL	QO (B) PL
120/240 1PH 208Y/120	100,000	DJ 400A	QO (B)	15–70 A	15–125 A	—
			QO (B) GFI	15–30 A	40–60 A	—
			QO (B) AFI	15–20 A	—	—
			QO (B) VH	—	150 A	15–150 A
		QJ	QO (B)	15–70 A	15–125 A	15–30 A
			QO (B) AS	15–30 A	15–30 A	15–30 A
			QO (B) GFI	15–30 A	15–60 A	—
			QO (B) VH	—	150 A	35–150 A
			QO (B) PL	15–30 A	15–60 A	15–30 A
			QO (B) AFI	15–20 A	—	—
208Y/120	18,000	LA/LH (L) 34200MC	QO (B)	15–30A	15–30 A	15–30 A
		LA/LH (L) 34225MC
		LA/LH (L) 34250MC
		LA/LH (L) 34400MC
240	22,000	QO (B) VH	QO (B)	15–70 A	15–125 A	15–100 A
			QO (B) AS	15–30 A	15–30 A	15–30 A
			QO (B) GFI	15–30 A	15–60 A	—
			QO (B) PL	15–30 A	15–30 A	—
			QO (B) AFI	15–20 A	—	—
		Q2-H	QO (B)	15–70 A	15–100 A	15–30 A
			QO (B) GFI	15–30 A	15–30 A	—
			QO (B) AFI	15–20 A	—	—
	25,000	QD	QO (B)	15–70 A	15–125 A	15–30 A
			QO (B) AS	15–30 A	15–30 A	15–30 A
			QO (B) GFI	15–30 A	15–60 A	—
			QO (B) VH	—	150 A	35–150 A
			QO (B) PL	15–30 A	15–60 A	15–30 A
			QO (B) AFI	15–20 A	—	—
		ED, FD	QO (B)	15–70 A	15–125 A	15–100 A
			QO (B) GFI	15–30 A	15–60 A	—
			QO (B) AFI	15–20 A	—	—
		KD	QO (B)	15–70 A	15–125 A	15–100 A
			QO (B) AS	15–30 A	15–30 A	15–30 A
			QO (B) GFI	15–30 A	15–60 A	—
			QO (B) AFI	15–20 A	—	—
		HD, JD	QO (B)	15–70 A	15–125 A	15–100 A
			QO (B) VH	—	—	35–150 A
			QO (B) GFI	15–30 A	15–60 A	—
			QO (B) AFI	15–20 A	—	—
			QO (B) H	—	15–100 A	—
			QOB2150VH	—	150 A	—
240	42,000	LA, MA	Q2L-H	—	100–225 A	100–225 A
			QDL	—	70–225 A	70–225 A
		LC400A	QO (B)	15–70 A	—	—
			QO (B) VH