SE Digest 178

NF Single-Row Panelboards—480Y/277 Vac Bolt-on

Single Row (Column Width) NF and NQ Panelboards

www.se.com/us

Refer to Catalog 1670CT0701

(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. ULListed. Service: 480Y/277 Vac, 3Ø4W AIR: See the E-frame circuit breaker tables in Section 9. Mains: Type NF–Bolt-on main lugs: 125 A, 225 A • Main circuit breaker: 100 A—HD, 225 A—JD. See the tables in Section 7 for main circuit breaker interrupt rating. See the catalog section for terminal lug data. • Main circuit breakers with higher interrupt ratings are available as factory assembled panelboards. Branches: EDB, EDG, or EDJ, 60 A maximum. See E-frame Thermal-magnetic (480Y/ 277 Vac Max), page 9-30 for branch circuit breaker catalog numbers and terminal data. Cabinet: Front—Screw cover. Box—galvanized steel with removable endwalls. Gutters: • 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 9.86: NF Single-Row (Column-width)—480Y/277 Vac Bolt-on

9 PANELBOARDS

Box and Interior with S/N (9.69 in. W. x 5.625 in. D.)

Front (Surface Mount)

Mains Rating

Max. No. of Poles

Catalog Number

Catalog Number

Box Height (In.)

Main Lugs Only—3 Phase 4-Wire 30 125 Main Circuit Breaker—3-pole 30 100 42 225

NF8430L1C NF8442L2C

59 71

NC59TS NC71TS

NF8430M1C NF8430M1HDC NF8442M2JDC

65 85

NC65TS NC85TS

42

225

Table 9.87: Cable Troughs and Pull Boxes Cable Troughs (L=Length) [3]

Pull Boxes with Solid Neutral

L (In.)

9.69 in. x 5.625 in. Catalog Number [4]

S/N Terminals

Catalog Number

36 48 56 66

NTX836 NTX848 NTX856 NTX866

42

MPX81542

Cable troughs are standard with a trough barrier.

[3] [4]

Box width = 8.625 in.; width at front, including flange, is 9.69 in.

9-39

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