SE Digest 178

Single Row (Column Width) NF and NQ Panelboards

NQ Single-Row Panelboards—240 Vac Bolt-on

www.se.com/us

Refer to Catalog 1670CT0701

(60 A Max. Branch Circuit Breaker) NQ Application Data

Application: For use on ac only. Meet Federal Specification W-P-115c, Type 1, Class 1. ULListed. Service: 1Ø3W, 3Ø3W, 3Ø4W, 3 Grd. “B” Ø—240 Vac max. AIR: See the QOB(VH) circuit breaker tables in Section 9. Mains: Type NQ—Bolt-on main lugs: 100 A, 225 A • Main circuit breaker: 100 A—QOU, 225 A—QB • See the tables in Section 7 for main circuit breaker interrupt ratings. See catalog for terminal lug data. • Main circuit breakers with higher interrupt ratings are available as factory assembled panelboards. Branches: Bolt-on QOB, 60 A maximum. QOB 10-60 A 1-, 2- and 3-pole. See QOB Circuit Breakers for NQ Panelboards, page 9-15 and NQ Factory Assembled Panelboards, page 9-18 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:

9 PANELBOARDS

• 100 A—4 in. min. mains end, 3 in. min. opposite mains • 225 A—10 in. min. mains end, 5 in. min. opposite mains Table 9.84: NQ Single-Row (Column-width)—240 Vac Bolt-on [1] Max. Box and Interior with Solid Neutral (8.625 in. W. x 5 in. D.) (Order branch circuit breakers separately) Mains Rating

Front (Surface Mount) Catalog Number

No. of Poles

Catalog Number

Box Height (In.)

1 Phase 3-Wire Main Lugs Only 30 225 Main Circuit Breaker—2-pole 20 100 3 Phase 4-Wire Main Lugs Only 30 100 Main Circuit Breaker—3-pole 30 100 42 225

20 in.

NQ830L2C

45

LX45TS

NQ820B1C

40

LX40TS

15 in.

Cable Trough Length

NQ8430L1C NQ8442L2C

40 58

LX40TS LX58TS

NQ8430B1C NQ8442B2C

45 62

LX45TS LX62TS

Solid Neutral Bar

Pull Box (Cover Removed)

42

225

Table 9.85: Cable Troughs and Pull Boxes Cable Troughs (L=Length) [2]

Cable Trough

Pull Boxes with Solid Neutral

L (In.)

8.625 in. x 5 in. Catalog Number

S/N Terminals

Catalog Number

Panel Height

36 48 56 66

MTX836 MTX848 MTX856 MTX866

Column Width Lighting Panelboard

42

MPX81542

8 in. 5 ⁄ 8

60 A Maximum Branch—Copper Bus Standard. Cable troughs are standard with a trough barrier.

[1] [2]

9-38

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