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

two #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

two 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

Interior Rating

Without Sub-Feed or Thru-Feed Lugs

With Sub-Feed or Thru-Feed Lugs

100% Neutrals

200% Neutrals[4]

100% Neutrals

200% Neutrals[4]

Aluminum

Copper

Aluminum

Copper

Aluminum

Copper

Aluminum

Copper

125A

Standard

NFN1CU

NFNL1

FA Only [5]

Std

NFN1CU

NFNL1

FA Only [5]

250A

NFN2CU

NFNL2

FA Only [5]

Std

NFN2CU

NFNL2

FA Only [5]

400A

NFN6CU

NFNL4

FA Only [5]

Std

NFN6CU

FA Only [5]

FA Only [5]

600A

FA Only[5]

FA Only [5]

FA Only [5]

FA Only [5]

FA Only [5]

FA Only [5]

800A

FA Only [5]

FA Only [5]

FA Only[5]

FA Only [5]

FA Only [5]

FA Only [5]

FA Only [5]

FA Only [5]

NF Main Neutral Conductors—(Quantity) and Wire Size

Interior Rating Mechanical Neutral Line Lugs Compression Neutral Line Lugs
Standard Oversized Standard
Neutral Lug Wire Range Actual Lug Wire Range Actual Lug Wire Range
125 A (1) 2/0 AWG Cu or Al (1) #6 AWG-350 kcmil (1) #6-1/0 AWG Cu or
(1) #4-300 kcmil Al
 
250 A (1) 250 kcmil Cu
or (1) 350 kcmil Al
(2) 1/0 AWG-300 kcmil
or (1) 1/0 AWG-750 kcmil
(1) 2/0 AWG-300 kcmil Cu
or (1) 250-350 kcmil Al
 
400 A (2) 1/0 AWG 300 kcmil
or (1) 700 kcmil Cu or Al
(1) 400-750 kcmil Cu
or (1) 2/0 AWG-500 kcmil Al
 
 
 
600 A (2) 1/0 AWG-750 kcmil Cu or Al[6] (1) 2/0 AWG-500 kcmil Cu
or Al
 
 
(3) 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.
Neutral conductors must be of size and quantity per table above.

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

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

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

NEMA Type 4, 4X, 4, 12 enclosures not available with panelboards having PowerPacT L circuit breakers

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

Surgelogic Hard Bus SPD—Model[8]

Surge Current
Rating kA

100

120

160

200

240

Surgelogic SPD Options

Surgelogic SPD Options

Surge Counter

Dry Contacts

Remote Monitor

note

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

NQ and NF Lighting Contactors—Mechanically Held

(Furnish a one-line power and control voltage connection diagram.)

ASCO 920 Series

Ampacity

2-Pole

3-Pole

30

Y

Y

60

Y

Y

75

Y

Y

100

Y

Y

150

Y

Y

225

Y

Y

note

Lighting Contactors increase box & trim length by 18 in. (457 mm)

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. 200% Neutrals not available on Column Width interiors
  5. FA - Factory Assembled Panelboards
  6. Factory Assembled only; increases enclosure length 6"-12".
  7. Factory Assembled only; enclosure length increases 6-12"; requires 8.75" deep D9 enclosure.
  8. Panelboard box height with SPD unit—Contact your local Schneider Electric representative or distributor.

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