NF Factory Assembled Panelboard Common Features

Refer to NF Panelboards

Common Features

Sub-feed (Double) Lugs (Standard Copper Mechanical Lugs)

Mains Rating

Sub-feed Lug Wire Range

125 A

(2) #6–2/0 AWG Al or Cu

250 A

two 1/0 AWG–350 kcmil or one 1/0 AWG-750 kcmil Al or Cu

400 A

(2) 1/0 AWG–750 kcmil Cu

600 A

(4) 4/0 AWG–500 kcmil Al or Cu

800 A

(6) 3/0 AWG–500 kcmil Al or Cu

Sub-feed (Double) Lugs (Standard Aluminum Mechanical Lugs): An additional mains and termination point that can be used to feed out to another panelboard or device from the incoming service lines.
Available on main lug interiors only.

Sub-feed Lug Cabinet Data (Standard Aluminum Mechanical Lugs)

Max. No. of
Branch Spaces

Main Lugs Enclosure Height in Inches

125 A

250 A

400 A

600 A

800 A [1]

18

26

30

32

38

50

74

80

42

44

56

80

86

54

50

62

86

92

Feed-through Lugs (Standard Aluminum Mechanical Lugs)

Mains Rating

Feed-through Wire Range Wire

125 A

one #6 AWG–2/0 kcmil Al or Cu

250 A

one #6 AWG–350 kcmil Al or Cu

400 A

one 1/0 AWG–750 kcmil or

two 1/0 AWG–350 kcmil Al or Cu

600 A

two 1/0 AWG–750 kcmil Al or Cu

Feed-through Lugs (Standard Aluminum Mechanical Lugs): A second set of lugs assembled at the opposite end from the mains of the panelboard. Often used to connect another panelboard or device to the incoming lines. Available on main lugs and main circuit breaker panelboards.

Feed-through Lugs Cabinet Data (Standard Aluminum Mechanical Lugs)

Max. No. of
Branch Spaces

Enclosure Height in Inches

125 A

100/125 A

250 A

400 A LA/LH

600 A

800 A

Main
Breaker
(back-fed
only)

Main
Lugs

Main
Breaker

Main
Lugs

Main
Breaker

Main
Lugs

Main
Breaker

Main
Lugs

Main
Breaker
[2]

Main
Lugs
[1]

18

38

32

44

30

44

38

50

50

62

56

68

56

74

56

42

56

68

62

74

62

80

62

54

62

74

68

80

68

86

68

NF Equipment Ground Bar Kits [3]

Interior Rating

Circuit Count

Aluminum

Copper

Ground Bar Insulator Kit

125 A / 250 A

18

PK12GTA

PK27GTACU

PKGTAB

30

PK18GTA

42, 54

PK23GTA

250 A

66 and Split Bus

PK27GTA

400 A / 600 A

All

PK27GTA

Name Plates

Name Plates

Standard white face/black letter laminated bakelite, 1 in. x 3.5 in., adhesive-backed or screw mountable with screws in a bag assembly

NF Panelboard Neutral Assembly Options (Standard Width Enclosures)

Interior Mains Rating

Mains Type

Load End Options

100% Neutrals

200% Neutrals

MLO

MB

SFL

FTL

SFB

Aluminum

Copper

Aluminum

Copper

125 A

Y

Y

Y

Y

N/A

Standard

NFN1CU

NFNL1

Factory Assembled Only

 

250 A

Y

Y

-

-

-

NFN2CU

NFNL2

Y

Y

Y

400 A

Y

Y

-

-

-

NFN6CU

NFNL4

Y

Y

Y

Factory Assembled Only

600 A

Y

-

-

-

-

Y

Y

Y

Y

Factory Assembled Only

Factory Assembled Only

800 A

Y

Y

-

-

-

Y

Y

Y

NF Main Neutral Conductors—(Quantity) and Wire Size[4]

Interior Rating Mechanical Neutral Line Lugs Compression Neutral Line Lugs
Standard Oversized Standard
Lug Wire Range Lug Wire Range Lug Wire Range
125 A (1) #6–2/0 AWG Cu or Al

Select 250 A neutral assembly

(1) #6-2/0 AWG Cu or (1) #4-300 kcmil Al
 
250 A (1) #6 AWG-250 kcmil Cu
or (1) #6 AWG - 350 kcmil

Select 400 A neutral assembly

(1) 2/0 AWG-250 kcmil Cu or (1) 250-350 kcmil Al
 
400 A (2) 1/0 AWG–300 kcmil
or (1) 1/0 AWG-700[5] kcmil Cu or Al

(2) 1/0 AWG-700[5] kcmil or (4) 1/0 AWG-300 kcmil

(1) 400-600[5] kcmil Cu
or (1) 2/0 AWG-500 kcmil Al
 
 
 
600 A (4) 1/0 AWG-600[5] kcmil Cu or Al[6] (1) 2/0 AWG-500 kcmil Cu or Al
 
 
(6) 4/0 AWG-500 kcmil Cu or Al[7]
 
800 A

note

200% applications require gutter mounted neutral in special (W x 26 in.) enclosure factory assembled only. One exception, without subfeed lugs, feed-thru lugs and subfeed breakers 400 A (30-84 circuit interiors) and 600 A (30-54 circuit interiors) does not require an special enclosure.
Gutter extensions may be required to provide NEC wire bending space for cable(s) of maximum lug size.

600 A NF Main Lug Only Panelboard
with Condo Riser Neutral Assembly

NF Panelboard Condo Riser Neutral Panelboards (Requires 26 in. Wide, 8.75 in. Deep Enclosure)[8]

Mains Rating

Available Branch Circuits

Neutral Rating

Neutral Assembly

Mains Options

Load End Options

Line Lug Wire Range

Load Lug Wire Range

Main Lugs

Main Breaker

Sub-Feed Lugs

Feed-Thru Lugs

Sub-Feed Breaker

400 / 600 A

30, 42, 54

100%

NFN6CR

Y[9] LA, LG, LH, LJ, LL, LR[10]

Y

Y

Y

(4) AWG 1/0 - 750 kcmil

(8) AWG 3/0 - 750 kcmil

200%

NFNL6CR

800 A

100%

Factory Assembled Only

N / A MG, PG, PJ,PL[11]

Y

Y

Y

(8) AWG 3/0 - 750 kcmil

(8) AWG 3/0 - 750 kcmil

200%

Metal Directory Frame

Metal Directory Frame

Metal Directory Frames are available as a premium factory assembled alternative to standard plastic directory card holders on the back of panelboard trim fronts.

Hinged Door-in-Door Trim

Hinged Door-in-Door Trim

Hinged Door-in-Door Trim has piano hinge down one side.

Inner door has a lock, outer door is retained with screws

Hinged Door-in-Door with Outer Door Lock in place of screws

NF MB Panelboard in Vented NEMA 3R enclosure

Weatherproof or Dusttight Cabinets NEMA Type 3R, 4, 4X, 5, 12)

Weather resistant and Dust resistant Cabinets —Type 3R, 4, 4X, 5, 12

note

NF panelboards with PowerPacT L circuit breakers are not available with a NEMA Type 4, 4X, 5, or 12 enclosure. (Use I-Line).

NF panelboards with PowerPacT L circuit breakers are available with vented 26 in. wide NEMA 3R enclosures. These vented NEMA 3R enclosures also enable selection of subfeed circuit breakers up to 600 A.

400 A NF panelboards in NEMA 4, 4X, 5, or 12 enclosures are available with one subfeed breaker up to 150 A.

Optional Factory Assembled Lugs for Main Lug Only and Main Circuit Breaker Interiors

Incoming Lugs Type

Aluminum Compression Lugs

Copper Mechanical Lugs

Copper Compression Lugs

NF Special Features Standard NEMA Type 1 Enclosure Selection Table—Enclosure Catalog Number for Standard Main Mechanical Lugs Only

Feature

Main Lugs Only

Sub-feed Lugs

Feed-through Lugs

Sub-feed Circuit Breaker

Interior Rating

125 A

250 A

400 A

600 A

800 A

125 A

250 A

400 A

600 A

800 A

250 A

400 A

600 A

600 A[12]

800 A

No. of Circuits

NEMA 1 Enclosure Catalog Number

NEMA 1 Enclosure Catalog Number

NEMA 1 Enclosure Catalog Number

18

MH26

MH32

Factory Assembled Only

30

MH32

MH38

MH50

Factory
Assembled
Only

MH38

MH50

MH56

Factory
Assembled
Only

MH56

MH68

MH68 MH62D9

42

MH44

MH56

MH56

MH62

MH62

MH74

MH74 MH68D9
54 MH50 MH62

MH62 MH68 MH68 MH80 MH86 MH74D9

66

MH62

MH74

MH74

MH80

MH80

MH92

MH92

84 

MH86

Special Features Enclosures Selection Table—Merchandised NF Vertically Mounted Main Breaker Panelboards with Accessories (by Mains Rating)

No. of Circuits

Vertical Main Circuit Breaker (MB) [13]

Back-fed MB

Sub-feed Circuit Breaker (PowerPacT H or J)

Feed-through Lugs (FTL)

FTL

125 A

250 A

400 A

600 A

800 A

125 A

250 A

400 A[13]

600 A

125 A

Cat. No.

Cat. No.

Cat. No.

Cat. No.

Cat. No.

Cat. No.

Cat. No.

Cat. No.

Cat. No.

Cat. No.

18

MH44

MH32

30

MH68

MH80

Factory Assembled Only

Factory Assembled Only

MH50

MH62

MH68

Factory Assembled Only

MH38

42

MH74

MH86

MH68

MH74

54

MH80 MH92

MH74 MH86

66

MH92

MH86

MH92

Surgelogic Hard Bus SPD—Model[14]

Surge Current Rating kA

100

120

160

200

240

Surgelogic SPD Options

Surgelogic SPD Options

Surge Counter

Dry Contacts

Remote Monitor


Additional Factory Assembled Options - NF and NQ Panelboards

  • PowerLogic™ metering

  • Customer equipment space

  • Increased box depth

  • Box extensions top, bottom and side

  • Drip hoods

  • Non-standard paint

  • NEMA 1 gasketed

  • NEMA 4 Stainless steel enclosure

  • NEMA 4X Fiberglass enclosure (NQ and NF)

  • Stainless steel trim front (NQ, NF and I-LINE)

  • Padlockable hasp

  • Special locks (Corbin, Yale, Best)

  • Equal height boxes

  • Common trip to cover two equal height boxes

  • Panelboard skirthides conduits feeding a panelboard

  • Panelboard wireway for terminating conduit in wireway endwall

  • Panelboard interiors and special fronts to fit existing boxes

note

For additional factory modifications, see Modifications For Factory Assembled Panelboards.

Footnotes

  1. 800 A main lug panelboards require an 8.75 in. deep and 26 in. wide box.
  2. 600 A main circuit breaker panelboards require an 8.75 in. deep, 26 in. wide box.
  3. One (1) PK kit supplied when ground bar is specified. Two (2) PK kits supplied when "extra" ground bar is ordered.
  4. Lug Wire Ranges shown meet NEC wire bending space. Lugs may accept larger cables if enclosure size is increased.
  5. Installation of 750 kcmil neutral lugs possible if enclosure size is increased to provide wire bending space.
  6. Factory Assembled only; increases enclosure length 6-12 in.
  7. Factory Assembled only; enclosure length increases 6-12 in.; requires 8.75 in. deep D9 enclosure.
  8. Select 26 in. Wide Condo Riser Panel under Structure Options in the SE Advantage Panelboard Product Selector.
  9. Reference PBA757 drawing for additional dimensional information.

  10. Reference PBA758 drawing for additional dimensional information.

  11. Reference PBA756 or PBA756HR drawing for additional dimensional information.

  12. PowerPacT LG, LJ, LL, or LR Sub-Feed Circuit Breaker.
  13. 400 A dimension for LA/LH main circuit breakers only.
  14. Panelboard box height with SPD unit—Contact your local Schneider Electric representative or distributor.

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