NQ Interiors

OEM customers have two ways to order NQ main lug interiors:

Order a main lug interior from Digest 178, Section 9 (referencing the part number key below).

See NQ OEM Main Lug Interior Examples for OEM main lug only interior special offers.

NQ Main Lug Interior Part Numbering

NQ	4	42	L	2	C	GS	NL
							Blank = Standard or no neutral NL = 200% neutral (non-linear)	NQM442L2CGSNL
						14 = Fits in 14" wide enclosures Blank = Standard width interior (fits in 20" wide enclosures) G = isolated ground S = short rails
					C = copper Blank = aluminum
				Mains rating: 1 = 100 A 2 = 225 A 4 = 400 A 6 = 600 A
			Main: L = Lugs only B or M = Circuit breaker
		Circuit breaker counts: 18, 30, 24, 36, 42, 54, 66, 72, 84, 126
	Blank= Single-phase 4 = 3-phase 4-wire 3 = 3-phase 3-wire
Family: NQ, NF

NQ Interior Features:

• NQ panelboards accept plug-on and bolt-on circuit breakers, up to 150 A.

• Main lugs interiors are available for 1P 3W, 3P 4W, or 3P 3W AC systems

  • 3-phase high leg delta or corner grounded delta are available factory assembled

  • 1P 2W interiors are UL Listed for DC applications up to 48 Vac

• 100 A, 225 A, 400 A, or 600 A mains rating

  • 225 A to 400 A interiors are convertible to main circuit breaker by adding a main circuit breaker and adapter kit

• Available from stock with silver/tin copper or tin-plated aluminum bus.

  • Tin-plated or silver-plated copper bus is available as an option.

• Branch connector fingers are tin-plated copper; silver-plated branch connectors are optional.

  • Aluminum or copper bus up to 400 A

  • Copper only at 600 A

• For more details about NQ main lug interiors please review Catalog 1640CT0801 or Digest 178, Section 9 NQ main lug interiors.

OEM customers have two ways to order a main circuit breaker interior panel:

• See NQ Main Breaker OEM Interior Examples for OEM main circuit breaker interior special offers

• Order a main lug interior, main circuit breaker adapter kit, and a circuit breaker

NQ	MB	2	HJ
				Blank = Kit for standard 20" width interiors 14 = Kit for 14-inch-wide interiors	NQMB2HJ
			Main circuit breaker frame types (PowerPact H, J, or Q)
		Interior mains rating (see Main Lug Interiors (MLO)<span><span><span style="font-family: Arial; ">—</span></span></span>cULus Listed up to 240 Vac, or 48 Vdc)
	Main circuit breaker
Family: NQ, NF

• A main circuit breaker may be factory installed onto nearly all NQ interiors

• Main circuit breaker kits and interiors up to 400 A are available from stock (refer to Digest 178, Section 9).

For more information about 100 A, 225 A, 400 A, and 600 A main circuit breaker NQ panelboards please review Catalog 1640CT0801,See Digest 178, Section 9, PowerPact H, J, L Catalog (0611CT1001), PowerPact Q-Frame Catalog (0734CT0201), or LA, LH, Q4 Catalog (0601CT9101).

https://www.schneider-electric.us/en/download/document/0100CT1901/NQ column-width panelboards (see Tables 9.84 - 9.85 (see Digest 178) are for AC applications up to 240 Vac. They meet Federal Specification W-P-115c, Type 1, Class 1, and are UL Listed. NQ column-width panelboard accept 10 A–60 A bolt-on, 1-, 2-, and 3-pole QOB branch circuit breakers. QOB-VH (60 A max.) and QHB (30 A max.) branch circuit breakers are also available as factory assembled.

• Mains ratings: 100 A, 225 A

• Branch circuit breakers: 60 A max. bolt-on

NQ	8		10	M	1	C	SB	HR
								Blank = Std. surf. mount HR = Hinged right HL = Hinged left (trim front)	NQM810M1CSB8
							SB = split bus Blank = Standard bus
						Copper bus
					Interior rating 1 = 100 A 2 = 225 A
				L = Main lugs only B, M = Main circuit breaker (including back-fed)
			Circuit count: 8Available only as a split bus special interior.*, 10Available only as a split bus special interior.*, 20, 30, or 42
		Blank = 1-phase 3 = 3-phase 3-wire 4 = 3-phase 4-wire
	8 = Column width (8.625")
Family: NQ, NF

14-inch-wide NQ panelboards provide most the capabilities of standard width NQ interiors for applications where equipment space is limited. 14-inch-wide interiors accept bolt-on and plug-on branch circuit breakers up to 100 A. 3 Ph 4 W and 1 Ph 3 W interiors are available. See Digest 178, Section 9 for more information.