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SQUARE D Panelboard Interior: 30 Spaces, 225 A Amps, Aluminum, QHB/QOB/QOB-VH, 27 in Ht - Square D NQ Main Lug, Convertible Panel Interiors
SQUARE DSquare D NQ Main Lug, Convertible Panel Interiors

SQUARE D Panelboard Interior: 30 Spaces, 225 A Amps, Aluminum, QHB/QOB/QOB-VH, 27 in Ht

The Square D NQ Main Lug, Convertible Panel Interior (MPN NQ30L2) is a 30-space, 225 A panelboard interior with an aluminum bus, measuring 27 in Ht by 10 7/16 in Wd. It accepts QHB, QOB, and QOB-VH circuit breakers…

SKU 3G-OTH-772198

Brand
SQUARE D
Item
Panelboard Interior: 30 Spaces, 225 A Amps, Aluminum, QHB/QOB/QOB-VH, 27 in Ht
Category
Square D NQ Main Lug, Convertible Panel Interiors
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Technical Specifications

SQUARE D
Manufacturer Part Number
NQ30L2
Type
Aluminum, QHB/QOB/QOB-VH
Wd
10 7/16 in
Ht
27 in
Amps
225 A
Bus Material
Aluminum
Circuit Breaker Series
QOB-VH
View Full Spec Sheet

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

Product Description

The Square D NQ Main Lug, Convertible Panel Interior (MPN NQ30L2) is a 30-space, 225 A panelboard interior with an aluminum bus, measuring 27 in Ht by 10 7/16 in Wd. It accepts QHB, QOB, and QOB-VH circuit breakers, providing a flexible, convertible main-lug configuration for commercial and industrial power distribution.

Frequently Asked Questions

What is the Square D NQ30L2 panelboard interior used for?

The Square D NQ30L2 panelboard interior distributes power in commercial and industrial electrical systems. It accepts QHB, QOB, and QOB-VH circuit breakers in a convertible main-lug configuration, supporting up to 225 A with an aluminum bus for reliable branch-circuit protection.

What are the specifications of the Square D NQ30L2?

The Square D NQ30L2 panelboard interior has 30 spaces, 225 A rating, aluminum bus material, and accepts QHB, QOB, and QOB-VH breakers. Dimensions are 27 in height by 10 7/16 in width. It is a convertible main-lug design for flexible power distribution.

Where to buy the Square D NQ30L2 panelboard interior worldwide?

3G Electric supplies the Square D NQ30L2 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 Square D component.

How to install the Square D NQ30L2 panelboard interior?

Install the Square D NQ30L2 panelboard interior by mounting it in a compatible enclosure, connecting the main lugs to the feeder conductors, and snapping in QHB, QOB, or QOB-VH breakers. Follow NEC guidelines and the manufacturer's wiring diagram for safe, code-compliant installation.

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 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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Panelboard Interior: 30 Spaces, 225 A Amps, Copper, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ430L2C). Key specifications — Bus Material: Copper; Circuit Breaker Series: QHB.
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Panelboard Interior: 18 Spaces, 100 A Amps, Aluminum, QHB/QOB/QOB-VH, 21 in Ht, 10 7/16 in Wd (MPN NQ18L1). Key specifications — Bus Material: Aluminum; Circuit Breaker Series: QOB-VH.
Panelboard Interior: 18 Spaces, 100 A Amps, Aluminum, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ418L1). Key specifications — Bus Material: Aluminum; Circuit Breaker Series: QOB-VH.
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Panelboard Interior: 18 Spaces, 100 A Amps, Aluminum, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ418L1). Key specifications — Bus Material: Aluminum; Circuit Breaker Series: QOB-VH.
Panelboard Interior: 42 Spaces, 225 A Amps, Copper, QHB/QOB/QOB-VH, 33 in Ht, 10 7/16 in Wd (MPN NQ442L2C). Key specifications — Bus Material: Copper; Circuit Breaker Series: QOB-VH.
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Panelboard Interior: 30 Spaces, 225 A Amps, Copper, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ30L2C). Key specifications — Bus Material: Copper; Circuit Breaker Series: QOB.
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Panelboard Interior: 30 Spaces, 225 A Amps, Copper, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ30L2C). Key specifications — Bus Material: Copper; Circuit Breaker Series: QOB.
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Panelboard Interior: 42 Spaces, 225 A Amps, Aluminum, QHB/QOB/QOB-VH, 33 in Ht, 10 7/16 in Wd (MPN NQ42L2). Key specifications — Bus Material: Aluminum; Circuit Breaker Series: QOB-VH.
Panelboard Interior: 30 Spaces, 600 A Amps, Copper, QHB/QOB/QOB-VH, 45 in Ht, 10 7/16 in Wd (MPN NQ430L6C). Key specifications — Bus Material: Copper; Circuit Breaker Series: QHB.
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