EXW Singapore — collect or forward from our Singapore office.

3G Electric
SQUARE D QO342L225G Main Lug Load Center, 225A, 3-Phase, 42-Space, 65kA, Indoor - Square D QO - Main Lug Load Centers
SQUARE DSquare D QO - Main Lug Load Centers

SQUARE D QO342L225G Main Lug Load Center, 225A, 3-Phase, 42-Space, 65kA, Indoor

The Square D QO Main Lug Load Center (MPN QO342L225G) is a 225 A, 3-phase, 42-space indoor panel rated 208Y/120/240V AC with a 65kA short-circuit current rating. It accepts no tandem breakers and requires a…

SKU 3G-OTH-609694

Brand
SQUARE D
Item
QO342L225G Main Lug Load Center, 225A, 3-Phase, 42-Space, 65kA, Indoor
Part Number
QO342L225G
Category
Square D QO - Main Lug Load Centers
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.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SQUARE D
Manufacturer Part Number
QO342L225G
Type
65kA, Indoor
AC
208Y/120/240V
Phase
3
Spaces
42
Voltage
208Y/120/240V AC
Location
Indoor
Included Enclosure Cover
Order Separately
Max. No. Of Tandem Breakers
0
Short Circuit Current Rating
65kA
Main Circuit Breaker or Main Lug
Main Lug

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 QO Main Lug Load Center (MPN QO342L225G) is a 225 A, 3-phase, 42-space indoor panel rated 208Y/120/240V AC with a 65kA short-circuit current rating. It accepts no tandem breakers and requires a separately ordered enclosure cover.

Frequently Asked Questions

What is the Square D QO342L225G load center used for?

The Square D QO342L225G is a 225 A main lug load center used for distributing power in 3-phase, 208Y/120/240V AC commercial or industrial indoor installations. It provides 42 spaces for branch circuit breakers and is rated for 65kA short-circuit current.

What are the specifications of the Square D QO342L225G?

The Square D QO342L225G is a 225 A, 3-phase, 42-space indoor load center rated 208Y/120/240V AC with a 65kA short-circuit current rating. It is a main lug type, accepts zero tandem breakers, and requires a separately ordered enclosure cover.

Where to buy the Square D QO342L225G load center worldwide?

3G Electric supplies the Square D QO342L225G load center to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 225 A, 42-space indoor panel.

How to install a Square D main lug load center?

Install the Square D QO342L225G load center on a flat, vertical indoor surface. Connect the incoming 3-phase 208Y/120/240V AC supply to the main lugs. Ensure the enclosure cover is ordered separately and installed after wiring. Follow all local electrical codes.

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.
Not sure this is the right part? Photo-identify it→

SQUARE D Products

3G Electric supplies SQUARE D square d qo - main lug load centers. 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 →
This Square D QO main lug load center is rated 60A, 120/240V AC, 1-phase, with a 10kA short circuit current rating. It features 2 spaces, supports up to 2 tandem breakers, and includes a surface cover for outdoor locations. Suitable for use as a subpanel or branch circuit distribution in residential or light commercial applications
SQUARE D
This Square D QO main lug load center is rated 60A, 120/240V AC, 1-phase, with a 10kA short circuit current rating. It features 2 spaces, supports up to 2 tandem breakers, and includes a surface cover for outdoor locations. Suitable for use as a subpanel or branch circuit distribution in residential or light commercial applications
This 125A main lug load center is designed for 3-phase, 208Y/120/240V AC indoor installations. It provides 24 spaces for branch circuit breakers and has a 65kA short-circuit current rating. The enclosure cover must be ordered separately; no tandem breakers are permitted
SQUARE D
This 125A main lug load center is designed for 3-phase, 208Y/120/240V AC indoor installations. It provides 24 spaces for branch circuit breakers and has a 65kA short-circuit current rating. The enclosure cover must be ordered separately; no tandem breakers are permitted

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first