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 |
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 |
Enclosure Height in Inches |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
125 A |
100/125 A |
250 A |
400 A LA/LH |
600 A |
800 A |
|||||
Main |
Main |
Main |
Main |
Main |
Main |
Main |
Main |
Main |
Main |
|
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 | |||
30 | ||||
42, 54 | ||||
250 A |
66 and Split Bus | |||
400 A / 600 A |
All |
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 |
Factory Assembled Only |
||
250 A |
Y |
Y |
- |
- |
- |
||||
Y |
Y |
Y |
|||||||
400 A |
Y |
Y |
- |
- |
- |
||||
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 | — | ||
note200% 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. |
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 |
Weatherproof or Dusttight Cabinets NEMA Type 3R, 4, 4X, 5, 12)
Weather resistant and Dust resistant Cabinets —Type 3R, 4, 4X, 5, 12 |
---|
noteNF 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 |
MH38 |
MH50 |
MH56 |
Factory |
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
|
|
note
For additional factory modifications, see Modifications For Factory Assembled Panelboards.