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SQUARE D Load Center: 200 A Amps, 208Y/120/240V AC, 42 Spaces, 25kA, 0 Max. No. of Tandem Breakers - 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 Load Center: 200 A Amps, 208Y/120/240V AC, 42 Spaces, 25kA, 0 Max. No. of Tandem Breakers

The Square D QO Load Center (MPN QO342MQ200) is a 200 A, 3-phase, convertible main lug unit rated for 208Y/120/240V AC with a 25kA short-circuit current rating. It offers 42 spaces, supports 0 tandem breakers, and…

SKU 3G-OTH-609609

Brand
SQUARE D
Item
Load Center: 200 A Amps, 208Y/120/240V AC, 42 Spaces, 25kA, 0 Max. No. of Tandem Breakers
Category
Square D QO - Main Lug, Convertible, Plug-On Neutral Load Centers
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Technical Specifications

SQUARE D
Manufacturer Part Number
QO342MQ200
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
Convertible
View Full Spec Sheet

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

Product Description

The Square D QO Load Center (MPN QO342MQ200) is a 200 A, 3-phase, convertible main lug unit rated for 208Y/120/240V AC with a 25kA short-circuit current rating. It offers 42 spaces, supports 0 tandem breakers, and features a plug-on neutral design for indoor use. The enclosure cover is ordered separately.

Frequently Asked Questions

What is the Square D QO342MQ200 load center used for?

The Square D QO342MQ200 is a 200 A, 3-phase, convertible main lug load center for indoor use. It distributes power in commercial or industrial settings at 208Y/120/240V AC with a 25kA short-circuit rating, supporting up to 42 circuits via plug-on neutral design.

What are the specifications of the Square D QO342MQ200?

This Square D load center is rated 200 A, 208Y/120/240V AC, 3-phase, with a 25kA short-circuit current rating. It has 42 spaces, 0 maximum tandem breakers, and a convertible main lug design. The enclosure cover is ordered separately. It is for indoor use only.

Where to buy the Square D QO342MQ200 load center worldwide?

3G Electric supplies the Square D QO342MQ200 load center 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 200 A, 3-phase, indoor unit.

How to install the Square D QO342MQ200 load center?

Installation must follow the National Electrical Code and local regulations. Mount the indoor enclosure on a flat surface, connect incoming 208Y/120/240V AC supply to the main lugs, and install branch breakers in the 42 spaces. The plug-on neutral design simplifies wiring. Order the cover separately.

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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