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SQUARE D QO342MQ225RB Load Center - 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 QO342MQ225RB Load Center

The Square D QO Load Center (MPN QO342MQ225RB) is a 225 A, 3-phase, convertible main lug unit rated for 208Y/120/240V AC with a 25kA short circuit current rating. It offers 42 spaces, zero tandem breaker capacity…

SKU 3G-OTH-609635

Brand
SQUARE D
Item
QO342MQ225RB Load Center
Category
Square D QO - Main Lug, Convertible, Plug-On Neutral Load Centers
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SQUARE D
Manufacturer Part Number
QO342MQ225RB
Type
25kA, Outdoor
AC
208Y/120/240V
Phase
3
Spaces
42
Voltage
208Y/120/240V AC
Location
Outdoor
Included Enclosure Cover
Surface Cover
Max. No. Of Tandem Breakers
0
Short Circuit Current Rating
25kA
Main Circuit Breaker or Main Lug
Convertible

Technical Documents

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

Product Description

The Square D QO Load Center (MPN QO342MQ225RB) is a 225 A, 3-phase, convertible main lug unit rated for 208Y/120/240V AC with a 25kA short circuit current rating. It offers 42 spaces, zero tandem breaker capacity, and includes a surface cover for outdoor installation.

Frequently Asked Questions

What is the Square D QO342MQ225RB load center used for?

The Square D QO342MQ225RB is a 225 A, 3-phase, convertible main lug load center for 208Y/120/240V AC outdoor installations. It distributes power in commercial or industrial settings, supporting up to 42 circuits with a 25kA short circuit rating. 3G Electric supplies this unit globally.

What are the specifications of the Square D QO342MQ225RB?

This Square D load center is rated 225 A, 208Y/120/240V AC, 3-phase, with a 25kA short circuit current rating. It has 42 spaces, zero tandem breaker capacity, a convertible main lug, and includes a surface cover for outdoor use. 3G Electric sources genuine Square D equipment.

Where to buy the Square D QO342MQ225RB load center worldwide?

3G Electric supplies the Square D QO342MQ225RB load center worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine Square D equipment and deliver to your site. Contact us for pricing and lead time.

How to install a Square D QO load center outdoors?

Mount the Square D QO load center on a flat, vertical surface using the outdoor-rated enclosure. Ensure proper grounding per local codes and use only Square D QO breakers. The convertible main lug allows field installation of a main breaker. 3G Electric provides technical support for selection.

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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Three-phase, plug-in miniature circuit breaker rated 80 A at 120/240V AC. Provides overcurrent protection with a maximum interrupting rating of 22kA at 120/240V AC. For use in QO Load Centers and NQ Panelboards
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Three-phase, plug-in miniature circuit breaker rated 80 A at 120/240V AC. Provides overcurrent protection with a maximum interrupting rating of 22kA at 120/240V AC. For use in QO Load Centers and NQ Panelboards
SQUARE D Miniature Circuit Breaker: 100 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO2100VH)
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SQUARE D Miniature Circuit Breaker: 100 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO2100VH)
SQUARE D Miniature Circuit Breaker: 80 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO280VH)
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SQUARE D Miniature Circuit Breaker: 80 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO280VH)
Plug-in miniature circuit breaker for overcurrent protection in single-phase electrical systems. Rated 200 A, 120/240V AC, with a maximum interrupting rating of 22kA at 120/240V AC. Two-pole design for use in QO Load Centers and NQ Panelboards
SQUARE D
Plug-in miniature circuit breaker for overcurrent protection in single-phase electrical systems. Rated 200 A, 120/240V AC, with a maximum interrupting rating of 22kA at 120/240V AC. Two-pole design for use in QO Load Centers and NQ Panelboards
SQUARE D Miniature Circuit Breaker: 175 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO2175VH)
SQUARE D
SQUARE D Miniature Circuit Breaker: 175 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO2175VH)
SQUARE D Miniature Circuit Breaker: 70 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO270VH)
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SQUARE D Miniature Circuit Breaker: 70 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO270VH)

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