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SQUARE D QO330MQ125 Main Lug Convertible Plug-On Neutral 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 QO330MQ125 Main Lug Convertible Plug-On Neutral Load Center

The Square D QO Main Circuit Breaker Load Center (MPN QO330MQ125) is a 125 A, 3-phase, 30-space indoor panel rated 208Y/120/240V AC with a 25kA short-circuit current rating. It features a convertible main-lug design…

SKU 3G-OTH-609570

Brand
SQUARE D
Item
QO330MQ125 Main Lug Convertible Plug-On Neutral Load Center
Part Number
QO330MQ125
Category
Square D QO - Main Lug, Convertible, Plug-On Neutral Load Centers
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Technical Specifications

SQUARE D
Manufacturer Part Number
QO330MQ125
Type
25kA, Indoor
AC
208Y/120/240V
Phase
3
Spaces
30
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
Main Circuit Breaker

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

Product Description

The Square D QO Main Circuit Breaker Load Center (MPN QO330MQ125) is a 125 A, 3-phase, 30-space indoor panel rated 208Y/120/240V AC with a 25kA short-circuit current rating. It features a convertible main-lug design with a plug-on neutral and requires a separately ordered enclosure cover.

Frequently Asked Questions

What is the Square D QO330MQ125 load center used for?

The Square D QO330MQ125 is a 125 A, 3-phase, 30-space indoor load center rated 208Y/120/240V AC with a 25kA short-circuit current rating. It is used for distributing power in commercial or industrial electrical panels, supporting main circuit breaker configurations and plug-on neutral wiring.

What are the specifications of the Square D QO330MQ125?

The Square D QO330MQ125 is a 125 A, 3-phase, 30-space indoor load center rated 208Y/120/240V AC with a 25kA short-circuit current rating. It features a main circuit breaker design, convertible main-lug capability, and plug-on neutral. The enclosure cover is ordered separately.

Where to buy the Square D QO330MQ125 load center worldwide?

3G Electric supplies the Square D QO330MQ125 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 125 A, 3-phase, 30-space indoor panel.

How to install the Square D QO330MQ125 load center?

Install the Square D QO330MQ125 load center indoors on a flat surface, ensuring proper grounding and bonding per local codes. Connect the main circuit breaker to the 208Y/120/240V AC supply, then wire branch circuits to the plug-on neutral bus. The enclosure cover must be ordered separately.

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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