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SQUARE D QO342MQ200RB Main Circuit Breaker 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 QO342MQ200RB Main Circuit Breaker Load Center

The Square D QO Load Center (MPN QO342MQ200RB) is a 200 A, 3-phase, 42-space main circuit breaker panel rated for 208Y/120/240V AC with a 25kA short circuit current rating. Designed for outdoor use, it includes a…

SKU 3G-OTH-609611

Brand
SQUARE D
Item
QO342MQ200RB Main Circuit Breaker Load Center
Part Number
QO342MQ200RB
Category
Square D QO - Main Lug, Convertible, Plug-On Neutral Load Centers
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Technical Specifications

SQUARE D
Manufacturer Part Number
QO342MQ200RB
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
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 QO342MQ200RB) is a 200 A, 3-phase, 42-space main circuit breaker panel rated for 208Y/120/240V AC with a 25kA short circuit current rating. Designed for outdoor use, it includes a surface cover and features a plug-on neutral, convertible main lug configuration.

Frequently Asked Questions

What is the Square D QO342MQ200RB load center used for?

The Square D QO342MQ200RB is a 200 A, 3-phase main circuit breaker load center for outdoor use. It distributes power in commercial or industrial settings requiring 208Y/120/240V AC and a 25kA short circuit rating, with 42 spaces for branch circuits.

What are the specifications of the Square D QO342MQ200RB?

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, zero tandem breaker capacity, a main circuit breaker, and a surface cover. It is designed for outdoor installation.

Where to buy the Square D QO342MQ200RB load center worldwide?

3G Electric supplies the Square D QO342MQ200RB 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 200 A, 3-phase outdoor panel.

How to install the Square D QO342MQ200RB load center?

Installation must follow local electrical codes and the manufacturer's instructions. Mount the outdoor-rated enclosure on a solid surface, connect the main feeder conductors to the main circuit breaker terminals, and ensure proper grounding. Always de-energize before work.

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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