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

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. UL Listed.

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) 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

NF Single-Row (Column-width)—480Y/277 Vac Bolt-on

Max. No.
of Poles

Mains

Rating

Box and Interior with S/N

(9.69 in. W. x 5.625 in. D.)

Front

(Surface Mount)

Catalog

Number

Box Height (In.)

Catalog
Number

Main Lugs Only—3 Phase 4-Wire

30

125

NF8430L1C

59

NC59TS

42

225

NF8442L2C

71

NC71TS

Main Circuit Breaker—3-pole

30

100

NF8430M1C

65

NC65TS

NF8430M1HDC

42

225

NF8442M2JDC

85

NC85TS

Cable Troughs and Pull Boxes

Cable Troughs (L=Length) [1]

Pull Boxes with Solid Neutral

L
(In.)

9.69 in. x 5.625 in. Catalog Number [2]

S/N

Terminals

Catalog

Number

36

NTX836

42

MPX81542

48

NTX848

56

NTX856

66

NTX866

Footnotes

  1. Cable troughs are standard with a trough barrier.
  2. Box width = 8.625 in.; width at front, including flange, is 9.69 in.

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