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3G Electric
SQUARE D QO342MQ225 Main Lug - Square D QO - Main Lug, Convertible, Plug-On Neutral Load Centers
SQUARE DSquare D QO - Main Lug, Convertible, Plug-On Neutral Load Centers

SQUARE D QO342MQ225 Main Lug

The Square D QO Load Center (MPN QO342MQ225) is a 225 A, 3-phase main circuit breaker panel rated for 208Y/120/240V AC with a 25kA short circuit current rating. It offers 42 spaces, supports 0 tandem breakers, and is…

SKU 3G-OTH-609630

Brand
SQUARE D
Item
QO342MQ225 Main Lug
Part Number
QO342MQ225
Category
Square D QO - Main Lug, Convertible, Plug-On Neutral Load Centers
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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.

Technical Specifications

SQUARE D
Manufacturer Part Number
QO342MQ225
Type
25kA, 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
25kA
Main Circuit Breaker or Main Lug
Main Circuit Breaker

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

Product Description

The Square D QO Load Center (MPN QO342MQ225) is a 225 A, 3-phase main circuit breaker panel rated for 208Y/120/240V AC with a 25kA short circuit current rating. It offers 42 spaces, supports 0 tandem breakers, and is designed for indoor use with a plug-on neutral configuration. The enclosure cover is ordered separately.

Frequently Asked Questions

What is the Square D QO342MQ225 load center used for?

The Square D QO342MQ225 is a 225 A, 3-phase main circuit breaker load center used for distributing power in commercial or industrial indoor electrical systems. It accepts plug-on neutral breakers and is rated 208Y/120/240V AC with a 25kA short circuit rating.

What are the specifications of the Square D QO342MQ225 load center?

The Square D QO342MQ225 load center is rated 225 A, 208Y/120/240V AC, 3-phase, with a 25kA short circuit current rating. It has 42 spaces, supports 0 tandem breakers, and includes a main circuit breaker. The enclosure cover is ordered separately. It is designed for indoor use.

Where to buy the Square D QO342MQ225 load center worldwide?

3G Electric supplies the Square D QO342MQ225 load center to customers 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 225 A, 3-phase main breaker panel.

How to install the Square D QO342MQ225 load center?

Installation of the Square D QO342MQ225 load center must follow local electrical codes and the manufacturer's instructions. Mount the indoor-rated enclosure securely, connect the main feeder conductors to the main circuit breaker terminals, and install plug-on neutral breakers in the 42 spaces. The cover is ordered separately.

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 qo - main lug, convertible, plug-on neutral load centers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This 225 A, 120/240V AC, 1-phase, 54-space load center is convertible from main lug to main breaker configuration. Rated 65kA short-circuit current for indoor use, it features a plug-on neutral design for simplified wiring. Enclosure cover is ordered separately
SQUARE D
This 225 A, 120/240V AC, 1-phase, 54-space load center is convertible from main lug to main breaker configuration. Rated 65kA short-circuit current for indoor use, it features a plug-on neutral design for simplified wiring. Enclosure cover is ordered separately

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