We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

SQUARE D Panelboard Interior: 18 Spaces, 100 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: 18 Spaces, 100 A Amps, Aluminum, QHB/QOB/QOB-VH, 27 in Ht

The Square D NQ Main Lug, Convertible Panel Interiors (MPN NQ418L1) is a 100 A panelboard interior with 18 spaces, 27 in height and 10 7/16 in width. It features an aluminum bus and is compatible with QHB, QOB, and…

SKU 3G-OTH-772155

Brand
SQUARE D
Item
Panelboard Interior: 18 Spaces, 100 A Amps, Aluminum, QHB/QOB/QOB-VH, 27 in Ht
Category
Square D NQ 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
NQ418L1
Type
Aluminum, QHB/QOB/QOB-VH
Wd
10 7/16 in
Ht
27 in
Amps
100 A
Bus Material
Aluminum
Circuit Breaker Series
QOB-VH
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 NQ Main Lug, Convertible Panel Interiors (MPN NQ418L1) is a 100 A panelboard interior with 18 spaces, 27 in height and 10 7/16 in width. It features an aluminum bus and is compatible with QHB, QOB, and QOB-VH circuit breakers. 3G Electric interprets your demand for electrical distribution components, sourcing this genuine Square D product and supporting your project with specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is the Square D NQ418L1 panelboard interior used for?

The Square D NQ418L1 is a 100 A main lug, convertible panel interior used for distributing electrical power in commercial and industrial settings. It accommodates up to 18 spaces for QHB, QOB, or QOB-VH circuit breakers, making it suitable for branch circuit protection and load management.

What are the specifications of the Square D NQ418L1?

The Square D NQ418L1 panelboard interior is rated 100 A, 27 in height, 10 7/16 in width, with an aluminum bus. It is compatible with QHB, QOB, and QOB-VH circuit breakers. The bus material is aluminum, and the circuit breaker series is QOB-VH. MPN: NQ418L1.

Where to buy Square D NQ418L1 panelboard interior worldwide?

3G Electric supplies the genuine Square D NQ418L1 panelboard interior worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source this product and support your project with specialist expertise across 14 industrial departments.

How to install the Square D NQ418L1 panelboard interior?

Installation should follow the manufacturer's instructions and local electrical codes. Mount the interior securely in the enclosure, connect the main lugs to the incoming feeder, and install compatible QHB, QOB, or QOB-VH breakers. Always de-energize the system before work and consult a qualified electrician.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from SQUARE D

View all SQUARE D parts
Panelboard Interior: 42 Spaces, 600 A Amps, Copper, QHB/QOB/QOB-VH, 45 in Ht, 10 7/16 in Wd (MPN NQ442L6C). Key specifications — Bus Material: Copper; Circuit Breaker Series: QOB-VH.
SQUARE D
Panelboard Interior: 42 Spaces, 600 A Amps, Copper, QHB/QOB/QOB-VH, 45 in Ht, 10 7/16 in Wd (MPN NQ442L6C). Key specifications — Bus Material: Copper; Circuit Breaker Series: QOB-VH.
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.
SQUARE D
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.
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.
SQUARE D
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: 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.
SQUARE D
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.
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.
SQUARE D
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.
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.
SQUARE D
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.
SQUARE D
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.
Panelboard Interior: 18 Spaces, 100 A Amps, Copper, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ418L1C). Key specifications — Bus Material: Copper; Circuit Breaker Series: QOB-VH.
SQUARE D
Panelboard Interior: 18 Spaces, 100 A Amps, Copper, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ418L1C). Key specifications — Bus Material: Copper; Circuit Breaker Series: QOB-VH.