Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SQUARE D Panelboard Interior: 42 Spaces, 250 A Amps, Aluminum, EDB/EDG/EDJ, 39 in Ht - Square D NF Main Lug, Convertible Panel Interiors
SQUARE DSquare D NF Main Lug, Convertible Panel Interiors

SQUARE D Panelboard Interior: 42 Spaces, 250 A Amps, Aluminum, EDB/EDG/EDJ, 39 in Ht

The Square D NF442L2 is a 42-space, 250 A main-lug convertible panel interior with an aluminum bus, designed for EDB/EDG/EDJ circuit breakers. Measuring 39 in Ht by 10 7/16 in Wd, this NF-series interior supports…

SKU 3G-OTH-772925

Brand
SQUARE D
Item
Panelboard Interior: 42 Spaces, 250 A Amps, Aluminum, EDB/EDG/EDJ, 39 in Ht
Category
Square D NF Main Lug, Convertible Panel Interiors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SQUARE D
Manufacturer Part Number
NF442L2
Type
Aluminum, EDB/EDG/EDJ
Wd
10 7/16 in
Ht
39 in
Amps
250 A
Bus Material
Aluminum
Circuit Breaker Series
EDJ
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Square D NF442L2 is a 42-space, 250 A main-lug convertible panel interior with an aluminum bus, designed for EDB/EDG/EDJ circuit breakers. Measuring 39 in Ht by 10 7/16 in Wd, this NF-series interior supports flexible configuration for commercial and industrial power distribution.

Frequently Asked Questions

What is the Square D NF442L2 panelboard interior used for?

The Square D NF442L2 is a 42-space, 250 A main-lug convertible panel interior used for commercial and industrial power distribution. It accepts EDB/EDG/EDJ circuit breakers and features an aluminum bus, enabling flexible configuration in lighting, appliance, and branch-circuit panels.

What are the specifications of the Square D NF442L2?

The Square D NF442L2 panel interior has 42 spaces, 250 A rating, aluminum bus material, and accepts EDB/EDG/EDJ circuit breakers. Dimensions are 39 in height by 10 7/16 in width. It is a main-lug convertible design for flexible power distribution in commercial and industrial settings.

Where to buy the Square D NF442L2 panelboard interior worldwide?

3G Electric supplies the Square D NF442L2 panelboard interior worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 42-space, 250 A aluminum-bus interior.

How to select the right Square D panelboard interior for my project?

To select the right Square D panel interior, match the number of spaces (e.g., 42), ampacity (250 A), bus material (aluminum), and circuit breaker series (EDB/EDG/EDJ) to your load requirements. The NF442L2 is a main-lug convertible design, allowing future main breaker addition. Consult a licensed electrician for code compliance.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

SQUARE D Products

3G Electric supplies SQUARE D square d nf main lug, convertible panel interiors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from SQUARE D

View all SQUARE D parts →
Panelboard Interior: 18 Spaces, 125 A Amps, Copper, EDB/EDG/EDJ, 21 in Ht, 10 7/16 in Wd (MPN NF418L1C). Key specifications — Bus Material: Copper; Circuit Breaker Series: EDJ.
SQUARE D
Panelboard Interior: 18 Spaces, 125 A Amps, Copper, EDB/EDG/EDJ, 21 in Ht, 10 7/16 in Wd (MPN NF418L1C). Key specifications — Bus Material: Copper; Circuit Breaker Series: EDJ.
Panelboard Interior: 30 Spaces, 250 A Amps, Copper, EDB/EDG/EDJ, 33 in Ht, 10 7/16 in Wd (MPN NF430L2C). Key specifications — Bus Material: Copper; Circuit Breaker Series: EDJ.
SQUARE D
Panelboard Interior: 30 Spaces, 250 A Amps, Copper, EDB/EDG/EDJ, 33 in Ht, 10 7/16 in Wd (MPN NF430L2C). Key specifications — Bus Material: Copper; Circuit Breaker Series: EDJ.
Panelboard Interior: 30 Spaces, 125 A Amps, Copper, EDB/EDG/EDJ, 27 in Ht, 10 7/16 in Wd (MPN NF430L1C). Key specifications — Bus Material: Copper; Circuit Breaker Series: EDJ.
SQUARE D
Panelboard Interior: 30 Spaces, 125 A Amps, Copper, EDB/EDG/EDJ, 27 in Ht, 10 7/16 in Wd (MPN NF430L1C). Key specifications — Bus Material: Copper; Circuit Breaker Series: EDJ.
Panelboard Interior: 42 Spaces, 250 A Amps, Copper, EDB/EDG/EDJ, 39 in Ht, 10 7/16 in Wd (MPN NF442L2C). Key specifications — Bus Material: Copper; Circuit Breaker Series: EDJ.
SQUARE D
Panelboard Interior: 42 Spaces, 250 A Amps, Copper, EDB/EDG/EDJ, 39 in Ht, 10 7/16 in Wd (MPN NF442L2C). Key specifications — Bus Material: Copper; Circuit Breaker Series: EDJ.
Panelboard Interior: 30 Spaces, 600 A Amps, Copper, EDB/EDG/EDJ, 46 in Ht, 10 7/16 in Wd (MPN NF430L6C). Key specifications — Bus Material: Copper; Circuit Breaker Series: EDB.
SQUARE D
Panelboard Interior: 30 Spaces, 600 A Amps, Copper, EDB/EDG/EDJ, 46 in Ht, 10 7/16 in Wd (MPN NF430L6C). Key specifications — Bus Material: Copper; Circuit Breaker Series: EDB.
Panelboard Interior: 30 Spaces, 125 A Amps, Aluminum, EDB/EDG/EDJ, 27 in Ht, 10 7/16 in Wd (MPN NF430L1). Key specifications — Bus Material: Aluminum; Circuit Breaker Series: EDJ.
SQUARE D
Panelboard Interior: 30 Spaces, 125 A Amps, Aluminum, EDB/EDG/EDJ, 27 in Ht, 10 7/16 in Wd (MPN NF430L1). Key specifications — Bus Material: Aluminum; Circuit Breaker Series: EDJ.
Panelboard Interior: 30 Spaces, 400 A Amps, Copper, EDB/EDG/EDJ, 46 in Ht, 10 7/16 in Wd (MPN NF430L4C). Key specifications — Bus Material: Copper; Circuit Breaker Series: EDB.
SQUARE D
Panelboard Interior: 30 Spaces, 400 A Amps, Copper, EDB/EDG/EDJ, 46 in Ht, 10 7/16 in Wd (MPN NF430L4C). Key specifications — Bus Material: Copper; Circuit Breaker Series: EDB.
Panelboard Interior: 30 Spaces, 250 A Amps, Aluminum, EDB/EDG/EDJ, 33 in Ht, 10 7/16 in Wd (MPN NF430L2). Key specifications — Bus Material: Aluminum; Circuit Breaker Series: EDJ.
SQUARE D
Panelboard Interior: 30 Spaces, 250 A Amps, Aluminum, EDB/EDG/EDJ, 33 in Ht, 10 7/16 in Wd (MPN NF430L2). Key specifications — Bus Material: Aluminum; Circuit Breaker Series: EDJ.