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NQOB / NF Merchandised Panelboards

240 Vac and 480Y/277 Vac NQOB/NF

Class 1620, 1670 / Refer to Catalog 1670CT9601

NQOB Column-Width—240 Vac Bolt-On

NQOB Application Data

Application: For use on ac only. Meet Federal Specification W-P-115c, Type 1, Class 1. UL Listed.
Service: 1Ø3W, 3Ø3W, 3Ø4W,
3 Grd. “B’’ Ø—240 Vac max.
AIR: See tables starting on page 7-2.
Mains: Type NQOB—Bolt-on main lugs: 100 A

●	225 A main circuit breaker: 100 A—QOU,

●	225 A—QB. See tables starting on page 7-2 for main circuit breaker interrupting rating.

See catalog section for terminal lug data. QD and QG main circuit breakers are also available in factory-assembled panelboards.

Branches: Bolt-on QOB, 60 A maximum.

QOB 10-60 A 1-, 2- and 3-pole

See page 9-9 for branch circuit breaker terminal data. QOB-VH and QHB branch circuit breakers are also available as factory assembled.

Cabinet: Front—Screw cover. Box—galvanized steel with removable endwalls.

Gutters:

●	100 A—4" Min. mains end, 3" Min. opposite mains

●	225 A—10" Min. mains end, 5" Min. opposite mains.

Factory Assembled NQOB Column-Width Panels are available. Contact the Square D/Schneider Electric local Field Sales Office.

 

NQOB Column-Width—240 Vac Bolt-On

 

Table 9.75:

Column-Width Panelboards60 A Maximum Branch—Copper Bus Standard

Max. No. of One Pole QOB Brkrs.	Mains Am- pere Rating	Total $ Price (Box Interior and Front)	Box and Interior with Solid Neutral 8.625" W. x 5" D. for 10" WF Beams (Order branch circuit breakers separately)			Front (Surface Mount)
			Catalog Number	$ Price	Box Ht.	Catalog Number	$ Price
1 Phase 3-Wire Main Lugs Only
30	225	1112.	NQOB8453032	865.	45	LX45TS	247.
Main Circuit Breaker—2-pole
20	100	1212.	NQOB8402031M	968.	40	LX40TS	244.
3 Phase 4-Wire Main Lugs Only
30	100	1072.	NQOB8403041	828.	40	LX40TS	244.
42	225	1293.	NQOB8584242	972.	58	LX58TS	320.
Main Circuit Breaker—3-pole
30	100	1575.	NQOB8453041M	1328.	45	LX45TS	247.
42	225	3308.	NQOB8624242M	2944.	62	LX62TS	363.

NQOB Column-Width

 

Table 9.76:

Cable Troughs and Pull Boxes

Cable Troughs (L=Length)a						Pull Boxes with Solid Neutral
L (in.)	8.625" x 5" Catalog Number	$ Price	L (in.)	8.625" x 5" Catalog Number	$ Price	S/N Terminals	Catalog Number	$ Price
36	MTX836	393.	84	MTX884	562.	42	MPX81542	319.
48	MTX848	434.	96	MTX896	606.
56	MTX856	502.	104	MTX8104	653.
66	MTX866	502.	112	MTX8112	674.

a	Cable troughs are standard with a trough barrier.

 

NF Column-Width—480Y/277 Vac 3Ø4W (60 A Max. Branch Circuit Breaker)

NF Application Data

Application: For use on ac only. Meet Federal Specification W-P-115c, Type 1, Class 1. UL Listed.

Service: 480Y/277 Vac, 3Ø4W

AIR: See tables starting on page 7-2

Mains: Type NF–Bolt-on main lugs: 125 A, 225 A

●	Main circuit breaker: 100 A—FA, 150 A—HD, 225 A—JD. See tables starting on page 7-2 for main circuit breaker interrupting rating. See catalog section for terminal lug data.

●	Main circuit breakers with higher interrupting ratings are available as factory assembled panelboards in the following configurations:

 

Table 9.77:

Mains Rating	Circuit Breaker	Max. No. of Poles
100 A	FA, FH, HD, HG, HJ, HL	30
	FI	42
225 A	HD, HG, HJ, HL (150 A max.), JD, JG, JJ, JL, KI	42

Branches: EDB, EDG or EDJ, 60 A maximum.
See pages 6-43 and 6-44 for branch circuit breaker terminal data.

Cabinet: Front—Screw cover. Box—galvanized steel with removable endwalls.

Gutters:

●	100 A—4" Min. mains end, 3" Min.opposite mains;

●	225 A—10" Min. mains end, 5" Min. opposite mains.

NF Column-Width—480Y/277 Vac 3Ø4W

 

Table 9.78:

Column-Width—60 A Max. Branch Circuit Breaker

Max. No. of Poles	Mains Rating	Total $ Price (Box Interior and Front)	Box and Interior with S/N 8.625" W. x 5.625" D.			Front (Surface Mount)
			Catalog Number	$ Price	Box Ht.	Catalog Number	$ Price
Main Lugs Only—3 Phase 4-Wire
30	125	1605.	NF8430L1C	1339.	59	NC59TS	267.
42	225	2186.	NF8442L2C	1839.	71	NC71TS	348.
Main Circuit Breaker—3-pole
30	100	2511.	NF8430M1C	2164.	65	NC65TS	347.
			NF8430M1HDC
42	225	4439.	NF8442M2JDC	4028.	85	NC85TS	412.

NF Column-Width

 

Table 9.79:

Cable Troughs and Pull Boxes

Cable Troughs (L=Length)b						Pull Boxes with Solid Neutral
L (in.)	8.625" x 5.625" Catalog Numberc	$ Price	L (in.)	8.625" x 5.625" Catalog Number c	$ Price	S/N Terminals	Catalog Number	$ Price
36	NTX836	393.	84	NTX884	562.	42	MPX81542	319.