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SQUARE D NF Main Lug - Square D NF Main Lug, Convertible Panel Interiors
SQUARE DSquare D NF Main Lug, Convertible Panel Interiors

SQUARE D NF Main Lug

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
NF Main Lug
Category
Square D NF Main Lug, Convertible Panel Interiors
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

Technical Documents

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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
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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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Three-pole miniature circuit breaker rated 80 A at 277/480V AC, three-phase, with a maximum interrupting rating of 18 kA at 277/480V AC. Suitable for overcurrent protection in commercial and industrial electrical distribution systems. Designed for use with Square D NF panelboards
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Three-pole miniature circuit breaker rated 80 A at 277/480V AC, three-phase, with a maximum interrupting rating of 18 kA at 277/480V AC. Suitable for overcurrent protection in commercial and industrial electrical distribution systems. Designed for use with Square D NF panelboards
Three-phase bolt-on miniature circuit breaker from the EDB Series. Rated 90 A, 277/480V AC, with a maximum interrupting rating of 18kA at 277/480V AC. Three-pole design for overcurrent protection in commercial and industrial electrical distribution systems
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Three-phase bolt-on miniature circuit breaker from the EDB Series. Rated 90 A, 277/480V AC, with a maximum interrupting rating of 18kA at 277/480V AC. Three-pole design for overcurrent protection in commercial and industrial electrical distribution systems
Three-phase bolt-on miniature circuit breaker rated 60 A at 277/480V AC with 18kA interrupting capacity. Suitable for overcurrent protection in commercial and industrial electrical distribution systems when installed in compatible panelboards
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Three-phase bolt-on miniature circuit breaker rated 60 A at 277/480V AC with 18kA interrupting capacity. Suitable for overcurrent protection in commercial and industrial electrical distribution systems when installed in compatible panelboards
Three-phase bolt-on miniature circuit breaker rated 50 A at 277/480V AC with an interrupting capacity of 18 kA. Suitable for overcurrent protection in commercial and industrial electrical distribution systems when installed in compatible panelboards
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Three-phase bolt-on miniature circuit breaker rated 50 A at 277/480V AC with an interrupting capacity of 18 kA. Suitable for overcurrent protection in commercial and industrial electrical distribution systems when installed in compatible panelboards
Three-phase bolt-on miniature circuit breaker rated 70 A, 277/480V AC, with 18kA interrupting capacity. Suitable for overcurrent protection in commercial and industrial panelboards. Part of the EDB Series, designed for use with Square D NF Panelboards
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Three-phase bolt-on miniature circuit breaker rated 70 A, 277/480V AC, with 18kA interrupting capacity. Suitable for overcurrent protection in commercial and industrial panelboards. Part of the EDB Series, designed for use with Square D NF Panelboards
Three-phase bolt-on miniature circuit breaker from the EDB Series, rated 100 A at 277/480V AC with an interrupting capacity of 18 kA. Suitable for overcurrent protection in commercial and industrial electrical distribution systems when installed in compatible panelboards
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Three-phase bolt-on miniature circuit breaker from the EDB Series, rated 100 A at 277/480V AC with an interrupting capacity of 18 kA. Suitable for overcurrent protection in commercial and industrial electrical distribution systems when installed in compatible panelboards

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This 125 A main lug convertible panel interior features 18 spaces and a copper bus. It is compatible with EDB, EDG, and EDJ circuit breakers. The interior measures 21 inches in height and 10 7/16 inches in width. It is used for branch-circuit distribution in electrical systems
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This 250 A main lug convertible panel interior features 42 spaces and copper bus bars. It accepts EDB/EDG/EDJ circuit breakers (EDJ series). Typical applications include power distribution in commercial and industrial electrical systems where flexible configuration is required
This 600 A main lug convertible panel interior features a copper bus and is compatible with EDB/EDG/EDJ circuit breakers. It is designed for use in electrical distribution systems where a main lug configuration is required, allowing for field conversion to main breaker. Dimensions: 46 in height by 10 7/16 in width
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This 600 A main lug convertible panel interior features a copper bus and is compatible with EDB/EDG/EDJ circuit breakers. It is designed for use in electrical distribution systems where a main lug configuration is required, allowing for field conversion to main breaker. Dimensions: 46 in height by 10 7/16 in width
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