NF Merchandised Main Lug Three Phase Interiors

Refer to Catalog 1670CT0701

NF Main Lug Interiors - 600Y/347 Vac Max

NF Main Lug Interiors - Use I-Line Panelboard for 3Ø3W Delta applications above 240 Vac

Circuit Breaker Pole Spaces [1][2]

Mains Rating (Amps)

Interior Only Catalog Number (Order Branch Circuit Breakers Separately)[1][3]

NEMA 1 Enclosure

Water, Dirt, and Dust Resistant Enclosure Catalog Numbers[4]

Box
20 in. W x 5.75 in. D [5]

Mono-Flat Trim Front [6]

Hinged Front[5]

Type 3R/5/12
20 in. W x 5.75 in. D[7]

Type 3R
26 in. W x 8.75 in. D[8]

Height (In.)

(Single Phase 3-Wire: Factory Assembled Only) Three Phase 4-Wire [9]

18 125

NF418L1

MH26

NC26( ) NC26( )HR

MH26WP

26

NF418L1C

30

NF430L1

MH32

NC32( ) NC32( )HR

MH32WP

32

NF430L1C

42

NF442L1C

MH38

NC38( ) NC38( )HR

MH38WP

38
54

NF454L1C

MH44

NC44( ) NC44( )HR

MH44WP

44
30 250

NF430L2

MH38

NC38( ) NC38( )HR

MH38WP

38

NF430L2C

42

NF442L2

MH44

NC44( ) NC44( )HR

MH44WP

44

NF442L2C

54

NF454L2

MH50

NC50( ) NC50( )HR

MH50WP

50

NF454L2C

66

NF466L2

MH62

NC62( ) NC62( )HR

MH62WP

62

NF466L2C

30 400

NF430L4

MH50

NC50( ) NC50( )HR

MH50WP

50

NF430L4C

42

NF442L4

MH56

NC56( ) NC56( )HR

MH56WP

56

NF442L4C

54

NF454L4C

MH62

NC62( ) NC62( )HR

MH62WP

MH74D9VWP

62/74

NF454L4C

66

NF466L4

MH74

NC74( ) NC74( )HR

MH74WP

MH86D9VWP

74/86

NF466L4C

84

NF484L4

MH86

NC86( ) NC86( )HR

MH86WP

86

NF484L4C

30 600

NF430L6C

MH50

NC50V( ) NC50V( )HR

MH62WP[10]

MH62D9VWP

50/62
42

NF442L6C

MH56

NC56V( ) NC56V( )HR

MH68WP[10]

MH68D9VWP

56/68
54

NF454L6C

MH62

NC62V( ) NC62V( )HR

MH74WP[10]

MH74D9VWP

62/74
66

NF466L6C

MH74

NC74V( ) NC74V( )HR

MH86WP[10]

MH86D9VWP

74/86
84

NF484L6C

MH86

NC86V( ) NC86V( )HR 86
  800 Factory Assembled Only[11]
Note: All NF Merchandised Panelboard interiors include the following: a NFFP15 bag of blank filler plates; a neutral bonding strap; an NF information manual; a NEMA instruction booklet; and a sheet of circuit numbers.

Footnotes

  1. Order EDB, EGB, or EJB branch circuit breakers separately. Maximum allowable branch circuit breaker pair combination is 170 A.
  2. Please note that some local building codes limit panelboards to 42 circuits, including those that reference 2005 or earlier version of the US NEC.
  3. “C” suffix indicates copper bussing.
  4. Wall mounting brackets add 0.4 inches to back of MHxxWP enclosures.
  5. Nominal interior dimensions, see PBA600 for details.
  6. Add “F” for flush mount, “S” for surface mount.
  7. Enclosure includes trim kit. NEMA 3R, 5, 12 enclosures must be bottom fed. Nominal enclosure dimensions, see PBA555 for details.
  8. Vented Type 3R enclosure with three point latch door required for outdoor applications with two sub-feed breakers, or sub-feed breaker with trip current >150A. NEMA 3R enclosures must be bottom fed, when selected a NF12RDE kit should also be selected. Enclosure nominal dimensions, see PBA603WP for details.
  9. NF panelboards without neutral connections may be applied to 3 phase, 4 wire grounded Wye systems, except at the Service Entrance.
  10. NEMA 3R, 5, 12 enclosures must be bottom fed, when selected a NF12RDE kit should also be selected.
  11. 800 A interiors with main circuit breaker require 8.75 inch deep, 26 inch wide enclosures.

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