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3G Electric
SQUARE D NQ Main Lug Convertible Panel Interior - Square D NQ Main Lug, Convertible Panel Interiors
SQUARE DSquare D NQ Main Lug, Convertible Panel Interiors

SQUARE D NQ Main Lug Convertible Panel Interior

The Square D NQ Main Lug, Convertible Panel Interiors (MPN NQ42L6C) is a 42-space, 600 A copper-bus panelboard interior for QHB/QOB/QOB-VH circuit breakers, measuring 45 in Ht x 10 7/16 in Wd.

SKU 3G-OTH-772335

Brand
SQUARE D
Item
NQ Main Lug Convertible Panel Interior
Part Number
NQ42L6C
Category
Square D NQ Main Lug, Convertible Panel Interiors
Available to Order
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Technical specs
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Required — additional freight charges may applyThis item requires special shipping, additional charges may apply.

Technical Specifications

SQUARE D
Manufacturer Part Number
NQ42L6C
Type
Copper, QHB/QOB/QOB-VH
Wd
10 7/16 in
Ht
45 in
Amps
600 A
Depth
5-3/4 in
Phase
Single
Width
10-7/16 in
Height
45 in
UNSPSC
39121103
Voltage
120/240V AC
Standards
CSA Approved; UL Listed
Bus Material
Copper Bus Material Bus Material This is the material of the bus bar in the load center or panelboard.
Catalog Page
187
For Use With
NQ Circuit Breakers
Number of Spaces
42
Country of Origin
South Korea (subject to change)
Circuit Breaker Type
Plug In Miniature
Recommended Enclosure
12N640 for Main Breaker; 1D700 for Main Lug
Circuit Breaker Series
QHB; QOB; QOB-VH
Recommended Flush Cover
3TX94 for Main Breaker; 4HHA2 for Main Lug
Recommended Surface Cover
12N641 for Main Breaker; 3TX88 for Main Lug
Recommended Ground Bar Kit
5B716
Short Circuit Current Rating
100000 RMS Symmetrical
Main Circuit Breaker or Main Lug
Convertible; Main Lug

Technical Documents

(1)
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Square D NQ Main Lug, Convertible Panel Interiors (MPN NQ42L6C) is a 42-space, 600 A copper-bus panelboard interior for QHB/QOB/QOB-VH circuit breakers, measuring 45 in Ht x 10 7/16 in Wd.

Frequently Asked Questions

What is the Square D NQ42L6C panelboard interior used for?

The Square D NQ42L6C is a 42-space, 600 A copper-bus panelboard interior designed for QHB/QOB/QOB-VH circuit breakers. It is used in commercial and industrial electrical distribution systems to organize branch circuits. 3G Electric sources this genuine Square D component across 14 industrial departments, with specialist depth in electrical controls.

What are the specifications of the Square D NQ42L6C?

The Square D NQ42L6C panelboard interior has 42 spaces, 600 A amps, copper bus material, and accepts QHB/QOB/QOB-VH circuit breakers. It measures 45 in Ht x 10 7/16 in Wd. This NQ main lug convertible panel interior is manufactured by Square D, part number NQ42L6C.

Where to buy the Square D NQ42L6C panelboard interior worldwide?

3G Electric supplies the genuine Square D NQ42L6C panelboard interior worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we interpret your demand and source this component across 14 departments, ensuring you get the right answer for your electrical distribution needs.

How to select the correct Square D panelboard interior for my application?

To select the correct Square D panelboard interior, match the bus material (copper or aluminum), ampacity (e.g., 600 A), number of spaces (e.g., 42), and circuit breaker series (e.g., QOB). Verify dimensions fit your enclosure. 3G Electric can help interpret your requirements and source the genuine Square D NQ42L6C or equivalent, with specialist depth in electrical controls.

Used in

Common applications for SQUARE D
Commercial electrical panels — QO and QOB miniature circuit breakers for overcurrent protection in load centers and panelboards.
HVACR equipment — 8910 Series Type DPA definite purpose contactors for switching compressor and fan motor loads.
Industrial power distribution — J-Frame molded case circuit breakers for main and feeder protection in switchboards.
Residential ground-fault protection — QO and QOB GFI circuit breakers for kitchens, bathrooms, and outdoor circuits.
Motor control centers — definite purpose contactors for controlling pumps, fans, and other moderate motor loads.
OEM machinery — Square D circuit breakers and contactors for integration into control panels and equipment.
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SQUARE D Products

3G Electric supplies SQUARE D square d nq 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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