NQ and NF Panelboards

Class 1640 and 1670

NQ Panelboards

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.

NQ Series Connected Circuit Breaker Ratings (RMS Symmetrical)

Maximum System Voltage AC [1][2]

Maximum 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 Ranges [3][4][5][6]

Type

1 Pole

2 Pole

3 Pole

120/240 1P/3W

[7]

22,000

MG

QO (B)

15–30 A

25,000

LD, HD, JD

QO (B)

15–70 A

15–125 A

QO (B) VH

15–70 A

15–125 A

QO (B) PL

15–30 A

15–60 A

QO (B) GFI

15–30 A

15–60 A

QO (B) EPD

15–30 A

15–60 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

15–20 A

QO (B) DF

15–20 A

65,000

HG, JG

QO (B)

15–70 A

15–125 A

QO (B) VH

15–70 A

15–125 A

QO (B) PL

15–30 A

15–60 A

QO (B) GFI

15–30 A

15–60 A

QO (B) EPD

15–30 A

15–60 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

15–20 A

QO (B) DF

15–20 A

LG

QO (B)

15–70 A

15–125 A

QO (B) VH

15–70 A

15–125 A

QO (B) GFI

15–30 A

15–60 A

QO (B) EPD

15–30 A

15–60 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

15–20 A

QO (B) DF

15–20 A

LJ

QO (B) GFI

15–30 A

40–60 A

QO (B) EPD

15–30 A

40–60 A

100,000

HJ, JJ

QO (B)

15–70 A

15–125 A

QO (B) VH

15–70 A

15–125 A

QO (B) PL

15–30 A

15–60 A

QO (B) GFI

15–30 A

15–60 A

QO (B) EPD

15–30 A

15–60 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

15–20 A

QO (B) DF

15–20 A

LJ

QO (B)

15–70 A

15–125 A

QO(B) VH

15–70 A

15–125 A

QO (B) H

15–100 A

QO (B) GFI

15–30 A

QO (B) EPD

15–60 A

QO(B) AFI

15–20 A

QO(B) CAFI

15–20 A

15–20 A

QO (B) DF

15–20 A

DJ 400 A

QO (B)

15–70 A

15–125 A

QO (B) VH

150 A

QO (B) GFI

15–30 A

15–60 A

QO (B) EPD

15–30 A

15–60 A

QO (B) AFI

15–20 A

QO(B) CAFI

15–20 A

15–20 A

QO (B) DF

15–20 A

QJ

QO (B)

15–70 A

15–125 A

QO (B) AS

15–30 A

15–30 A

QO (B) VH

150 A

QO (B) PL

15–30 A

15–60 A

QO (B) GFI

15–30 A

15–60 A

QO (B) AFI

15–20 A

QO(B) CAFI

15–20 A

15–20 A

QO (B) DF

15–20 A

125,000

HL, JL

QO (B)

15–70 A

15–125 A

QO (B) VH

15–70 A

15–125 A

QO (B) PL

15–30 A

15–60 A

QO (B) GFI

15–30 A

15–60 A

QO (B) EPD

15–30 A

15–60 A

QO (B) AFI

15–20 A

QO(B) CAFI

15–20 A

15–20 A

QO (B) DF

15–20 A

208Y/120 3P/4W

240/120 V 3P/4W

18,000

LA/LH (L) 34200MC

QO (B)

15–30 A

15–30 A

15–30 A

LA/LH (L) 34225MC

LA/LH (L) 34250MC

LA/LH (L) 34400MC

25,000

LD

QO (B)

15–70 A

15–125 A

QO (B) VH

15–30 A

15–125 A

15–150 A

QO (B) GFI

15–30 A

15–60 A

15–30 A

QO (B) EPD

15–30 A

15–60 A

15–30 A

QO (B) EPE

15–30 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

QO (B) DF

15–20 A

30,000

DJ–W 150 A MC

QO (B)

15–70 A

15–100 A

QO (B) VH

15–125 A

15–150 A

QO (B) GFI

15–30 A

15–60 A

QO (B) AFI

15–20 A

DJ–W 250 A MC

QO (B)

15–70 A

15–100 A

QO (B) VH

15–150 A

QO (B) GFI

15–30 A

15–60 A

QO (B) AFI

15–20 A

DJ–W 600 A MC

QO (B)

15–70 A

15–100 A

QO (B) VH

15–150 A

QO (B) GFI

15–30 A

15–60 A

QO (B) AFI

15–20 A

208Y/120 3P/4W

240/120 V 3P/4W

65,000

LG

QO (B)

15–70 A

15–125 A

QO (B) VH

15–70 A

15–125 A

15–150 A

QO (B) H

15–100 A

QO (B) GFI

15–30 A

15–60 A

15–30 A

QO (B) EPD

15–30 A

15–60 A

15–30 A

QO (B) EPE

15–30 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

QO (B) DF

15–20 A

LJ

QO (B)

15–70 A

15–125 A

QO (B) VH

15–70 A

15–125 A

15–150 A

QO (B) H

15–100 A

QO (B) GFI

15–30 A

15–60 A

15–30 A

QO (B) EPD

15–30 A

15–60 A

15–30 A

QO (B) EPE

15–30 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

QO (B) DF

15–20 A

LL

QO (B) GFI

15–30 A

QO (B) EPD

15–30 A

QO (B) EPE

15–30 A

100,000

DJ 400 A

QO (B)

15–70 A

15–125 A

QO (B) VH

15–150 A

QO (B) GFI

15–30 A

15–60 A

QO (B) EPD

15–30 A

15–60 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

QO (B) DF

15–20 A

QJ

QO (B)

15–70 A

15–125 A

15–30 A

QO (B) VH

15–150 A

QO (B) PL

15–30 A

15–60 A

15–30 A

QO (B) GFI

15–30 A

15–60 A

15–50 A

QO (B) EPD

15–30 A

15–60 A

15–50 A

QO (B) EPE

15–30 A

15–60 A

15–50 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

QO (B) DF

15–20 A

LJ

QO (B)

15–70 A

15–125 A

QO (B) VH

15–70 A

15–125 A

15–150 A

QO (B) H

15–100 A

QO (B) GFI

15–30 A

QO (B) EPD

15–60 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

QO (B) DF

15–20 A

240/120 V 3P/4W

22,000

QO (B) VH

QO (B)

15–70 A

15–125 A

15–100 A

QO (B) GFI

15–30 A

15–60 A

15–50 A

QO (B) EPD

15–30 A

15–60 A

15–50 A

QO (B) EPE

15–50 A

QO (B) PL

15–30 A

15–60 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

QO (B) DF

15–20 A

240/120 V 3P/4W

25,000

QD

QO (B)

15–70 A

15–125 A

15–30 A

QO (B) VH

35–150 A

QO (B) PL

15–30 A

15–60 A

15–30 A

QO (B) GFI

15–30 A

15–60 A

15–50 A

QO (B) EPD

15–30 A

15–60 A

15–50 A

QO (B) EPE

15–50 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

QO (B) DF

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

15–50 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

QO (B) DF

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) H

15–100 A

QO (B) GFI

15–30 A

15–60 A

15–50 A

QO (B) EPD

15–30 A

15–60 A

15–50 A

QO (B) EPE

15–50 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

QO (B) DF

15–20 A

LD

QO (B)

15–70 A

15–125 A

QO (B) VH

15–30 A

15–125 A

15–150 A

QO (B) H

15–100 A

QO (B) GFI

15–30 A

15–60 A

15–30 A

QO (B) EPD

15–30 A

15–60 A

15–30 A

QO (B) EPE

15–30 A

QO (B) AFI

15–20 A

QO (B) CAFI

15–20 A

QO (B) DF

15–20 A

Footnotes

  1. For shown circuit breakers rated less than this maximum voltage, the indicated short circuit current rating also applies, but at the voltage rating of the circuit breaker
  2. Short circuit tests are conducted at 100–105% of the maximum rated voltage of the panelboard.
  3. Suffixes HID, and SWD may also be applied to the applicable branch circuit breakers shown above. Suffix SWN may not be applied in combination with LC main breakers.
  4. Where QO (B) circuit breakers are shown above, QO (B) H, QO (B) VH, and QOH (B) circuit breakers may also be used.
  5. Where QO (B) GFI circuit breakers are shown above, QO (B) EPD and/or QO (B) EPE circuit breakers may also be used. QO–EPE only comes in 3 pole construction.
  6. Where QO (B) AFI circuit breakers are shown above, QO (B) CAFI circuit breakers may also be used.
  7. Two Pole CAFI breakers are only 120/240 VAC and may only be used on 120/240 VAC single phase 3 wire systems.

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