Square D Digest 179

NF Factory Assembled Panelboard Common Features

NF Panelboards—600Y/347 Vac Max.

Refer to NF Panelboards

www.se.com/us

Table 9.65: NF Panelboard Condo Riser Neutral Panelboards (Requires 26 in. Wide, 8.75 in. Deep Enclosure) [71]

LoadEnd Options

Mains Options

Neu tral Rat ing

Line Lug Wire Range

Load Lug Wire Range

Main s Rat ing

Available Branch Circuits

Neutral Assembly

Sub Feed Brea ker

Sub Feed Lugs

Feed Thru Lugs

Main Lugs

Main Breaker

100% NFN6CR 200% NFNL6CR 100% Factory Assembled Only 200%

LA, LG, LH, LJ, LL, LR [73] MG, PG, PJ,PL [74]

(4)AWG 1/0 - 750 kcmil (8)AWG 3/0 - 750 kcmil

(8)AWG 3/0 - 750 kcmil (8)AWG 3/0 - 750 kcmil

400 / 600A

Y [72]

Y Y Y

30, 42, 54

800A

N / A

Y Y Y

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

Table 9.66: 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. Table 9.67: 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

9 PANELBOARDS

Table 9.68: 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. Table 9.69: Optional Factory Assembled Lugs for Main Lug Only and Main Circuit Breaker Interiors Incoming Lugs Type Aluminum Compression Lugs

NF MB Panelboard in Vented NEMA 3R enclosure Copper Mechanical Lugs Copper Compression Lugs Table 9.70: 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 [75] 800A 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 — — — — — — — Table 9.71: Special Features Enclosures Selection Table—Merchandised NF Vertically Mounted Main Breaker Panelboards with Accessories (by Mains Rating)

Vertical Main Circuit Breaker (MB) [76]

Back-fed MB

Sub-feed Circuit Breaker (PowerPacT H or J)

Feed-through Lugs (FTL)

FTL

No. of Circuits

400A [76] Cat.No.

125A

250A

400A

600A

800A

125A

250A

600A

125A

Cat.No.

Cat.No.

Cat.No.

Cat.No.

Cat.No.

Cat.No.

Cat.No.

Cat.No.

Cat.No.

18 30 42 54 66

— — — — —

—

—

—

—

MH44 MH50

—

—

—

MH32 MH38

MH62 MH68 MH74 MH86

MH68 MH74 MH86 MH92

MH68 MH74 MH80 MH92

MH80 MH86 MH92

Factory Assembled Only

Factory Assembled Only

Factory Assembled Only

— — —

— — —

—

—

Table 9.72: Surgelogic ™ Hard Bus SPD—Model [77] Surge Current Rating kA

100 120 160 200 240

[71] Select 26 in. Wide Condo Riser Panel under Structure Options in the SE Advantage Panelboard Product Selector. [72] Reference PBA757 drawing for additional dimensional information. [73] Reference PBA758 drawing for additional dimensional information. [74] Reference PBA756 or PBA756HR drawing for additional dimensional information. [75] PowerPacT LG, LJ, LL, or LR Sub-Feed Circuit Breaker. [76] 400 A dimension for LA/LH main circuit breakers only. [77] Panelboard box height with SPD unit—Contact your local Schneider Electric representative or distributor.

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