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SQUARE D Load Center: 225 A Amps, 208Y/120/240V AC, 42 Spaces, 65kA, 0 Max. No. of Tandem Breakers - Square D QO - Main Lug Load Centers
SQUARE DSquare D QO - Main Lug Load Centers

SQUARE D Load Center: 225 A Amps, 208Y/120/240V AC, 42 Spaces, 65kA, 0 Max. No. of Tandem Breakers

The Square D QO Main Lug Load Center (MPN QO342L225GRB) is a 225 A, 3-phase unit rated 208Y/120/240V AC with a 65kA short-circuit current rating. It offers 42 spaces, zero tandem breaker capacity, and includes a…

SKU 3G-OTH-609696

Brand
SQUARE D
Item
Load Center: 225 A Amps, 208Y/120/240V AC, 42 Spaces, 65kA, 0 Max. No. of Tandem Breakers
Category
Square D QO - Main Lug Load Centers
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Technical Specifications

SQUARE D
Manufacturer Part Number
QO342L225GRB
Type
65kA, 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
65kA
Main Circuit Breaker or Main Lug
Main Lug
View Full Spec Sheet

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

Product Description

The Square D QO Main Lug Load Center (MPN QO342L225GRB) is a 225 A, 3-phase unit rated 208Y/120/240V AC with a 65kA 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 QO342L225GRB load center used for?

The Square D QO342L225GRB is a 225 A, 3-phase main lug load center for outdoor installation. It distributes power in commercial or industrial settings where a main breaker is upstream, supporting 42 circuits at 208Y/120/240V AC with a 65kA short-circuit rating.

What are the specifications of the Square D QO342L225GRB?

This Square D QO load center is rated 225 A, 208Y/120/240V AC, 3-phase, with a 65kA short-circuit current rating. It has 42 spaces, zero tandem breaker capacity, and includes a surface cover. The unit is designed for outdoor use and is a main lug configuration.

Where to buy the Square D QO342L225GRB load center worldwide?

3G Electric supplies the Square D QO342L225GRB 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, 3-phase outdoor main lug load center.

How to install the Square D QO342L225GRB outdoor load center?

Install the Square D QO342L225GRB on a flat, vertical surface in an outdoor location. Ensure the upstream main breaker is sized for 225 A and the enclosure is properly grounded. Follow NEC guidelines for conductor sizing and torque terminal connections to the specified values.

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 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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