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

The Square D QO142L225PG is a 225 A, 1-phase, 120/240V AC main-lug load center with 42 spaces, a 65kA short-circuit current rating, and a plug-on neutral design for indoor use. As a convertible, main-lug unit…

SKU 3G-OTH-609624

Brand
SQUARE D
Item
Load Center: 225 A Amps, 120/240V AC, 42 Spaces, 65kA, 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
QO142L225PG
Type
65kA, Indoor
AC
120/240V
Phase
1
Spaces
42
Voltage
120/240V AC
Location
Indoor
Included Enclosure Cover
Order Separately
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 QO142L225PG is a 225 A, 1-phase, 120/240V AC main-lug load center with 42 spaces, a 65kA short-circuit current rating, and a plug-on neutral design for indoor use. As a convertible, main-lug unit (enclosure cover ordered separately), it supports zero tandem breakers and is part of the Square D QO family, which 3G Electric supplies across 14 industrial departments — with specialist depth in electrical distribution backed by authorized distributor status for brands like Square D.

Frequently Asked Questions

What is the Square D QO142L225PG load center used for?

The Square D QO142L225PG is a 225 A main-lug load center for indoor 120/240V AC single-phase electrical distribution. It provides 42 spaces for branch circuit breakers in commercial or large residential panels, with a 65kA short-circuit current rating for high-fault-capacity installations.

What are the specifications of the Square D QO142L225PG?

The Square D QO142L225PG is a 225 A, 1-phase, 120/240V AC main-lug load center with 42 spaces, 65kA short-circuit current rating, and plug-on neutral design. It supports zero tandem breakers, is indoor-rated, and requires the enclosure cover ordered separately.

Where to buy the Square D QO142L225PG load center worldwide?

3G Electric supplies the Square D QO142L225PG load center worldwide, handling full logistics, customs clearance, and delivery. As a global industrial solutions provider across 14 departments, we source and deliver genuine Square D electrical distribution equipment to any international destination.

How to install a Square D main-lug load center?

Install the Square D QO142L225PG load center on a flat indoor surface, route supply conductors to the main lugs, and connect branch circuits to the plug-on neutral bus. Follow NEC guidelines for torque values and enclosure bonding. The cover is ordered separately and must be fitted after wiring.

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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Load Center: 225 A Amps, 208Y/120/240V AC, 42 Spaces, 25kA, 0 Max. No. of Tandem Breakers, Indoor (MPN QO342MQ225). Key specifications — Voltage: 208Y/120/240V AC; Short Circuit Current Rating: 25kA; Included Enclosure Cover: Order Separately; Phase: 3; Main Circuit Breaker or Main Lug: Main Circuit Breaker; Location: Indoor.
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