We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

SQUARE D Panelboard Interior: 18 Spaces, 100 A Amps, Aluminum, QHB/QOB/QOB-VH, 21 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, 21 in Ht

The Square D NQ Main Lug, Convertible Panel Interiors (MPN NQ18L1) is a 100 A panelboard interior with 18 spaces, featuring an aluminum bus and compatibility with QHB, QOB, and QOB-VH circuit breakers. Measuring 21…

SKU 3G-OTH-772146

Brand
SQUARE D
Item
Panelboard Interior: 18 Spaces, 100 A Amps, Aluminum, QHB/QOB/QOB-VH, 21 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

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SQUARE D
Manufacturer Part Number
NQ18L1
Type
Aluminum, QHB/QOB/QOB-VH
Wd
10 7/16 in
Ht
21 in
Amps
100 A
Bus Material
Aluminum
Circuit Breaker Series
QOB-VH

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 NQ18L1) is a 100 A panelboard interior with 18 spaces, featuring an aluminum bus and compatibility with QHB, QOB, and QOB-VH circuit breakers. Measuring 21 in Ht by 10 7/16 in Wd, this unit supports flexible configuration for branch-circuit distribution in commercial and industrial electrical systems.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Square D NQ18L1 panelboard interior used for?

The Square D NQ18L1 panelboard interior distributes branch-circuit power in commercial and industrial electrical systems. It supports QHB, QOB, and QOB-VH circuit breakers for flexible configuration of lighting, appliance, and equipment circuits.

What are the specifications of the Square D NQ18L1 panelboard interior?

The Square D NQ18L1 is a 100 A main lug convertible panel interior with 18 spaces. It has an aluminum bus, measures 21 in Ht by 10 7/16 in Wd, and accepts QHB, QOB, and QOB-VH circuit breakers. The bus material is aluminum.

Where to buy the Square D NQ18L1 panelboard interior worldwide?

3G Electric supplies the Square D NQ18L1 panelboard interior worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this Square D part.

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

Select a Square D panelboard interior by matching the amp rating (100 A for NQ18L1), number of spaces (18), bus material (aluminum), and circuit breaker series compatibility (QHB/QOB/QOB-VH). Verify voltage and enclosure type per your electrical system design.

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: 30 Spaces, 225 A Amps, Copper, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ430L2C)
SQUARE D
Panelboard Interior: 30 Spaces, 225 A Amps, Copper, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ430L2C)
Panelboard Interior: 42 Spaces, 600 A Amps, Copper, QHB/QOB/QOB-VH, 45 in Ht, 10 7/16 in Wd (MPN NQ442L6C)
SQUARE D
Panelboard Interior: 42 Spaces, 600 A Amps, Copper, QHB/QOB/QOB-VH, 45 in Ht, 10 7/16 in Wd (MPN NQ442L6C)
Panelboard Interior: 18 Spaces, 100 A Amps, Aluminum, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ418L1)
SQUARE D
Panelboard Interior: 18 Spaces, 100 A Amps, Aluminum, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ418L1)
Panelboard Interior: 42 Spaces, 225 A Amps, Copper, QHB/QOB/QOB-VH, 33 in Ht, 10 7/16 in Wd (MPN NQ442L2C)
SQUARE D
Panelboard Interior: 42 Spaces, 225 A Amps, Copper, QHB/QOB/QOB-VH, 33 in Ht, 10 7/16 in Wd (MPN NQ442L2C)
Panelboard Interior: 30 Spaces, 225 A Amps, Copper, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ30L2C)
SQUARE D
Panelboard Interior: 30 Spaces, 225 A Amps, Copper, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ30L2C)
Panelboard Interior: 42 Spaces, 225 A Amps, Aluminum, QHB/QOB/QOB-VH, 33 in Ht, 10 7/16 in Wd (MPN NQ42L2)
SQUARE D
Panelboard Interior: 42 Spaces, 225 A Amps, Aluminum, QHB/QOB/QOB-VH, 33 in Ht, 10 7/16 in Wd (MPN NQ42L2)
Panelboard Interior: 30 Spaces, 600 A Amps, Copper, QHB/QOB/QOB-VH, 45 in Ht, 10 7/16 in Wd (MPN NQ430L6C)
SQUARE D
Panelboard Interior: 30 Spaces, 600 A Amps, Copper, QHB/QOB/QOB-VH, 45 in Ht, 10 7/16 in Wd (MPN NQ430L6C)
Panelboard Interior: 18 Spaces, 100 A Amps, Copper, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ418L1C)
SQUARE D
Panelboard Interior: 18 Spaces, 100 A Amps, Copper, QHB/QOB/QOB-VH, 27 in Ht, 10 7/16 in Wd (MPN NQ418L1C)