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3G Electric
SQUARE D QO330MQ125RB Main Lug Convertible 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 QO330MQ125RB Main Lug Convertible Load Center

The Square D QO Load Center (MPN QO330MQ125RB) is a 125 A, 3-phase, convertible main lug unit rated 208Y/120/240V AC with a 25kA short-circuit current rating. It offers 30 spaces, zero tandem breaker capacity, and…

SKU 3G-OTH-609572

Brand
SQUARE D
Item
QO330MQ125RB Main Lug Convertible Load Center
Part Number
QO330MQ125RB
Category
Square D QO - Main Lug, Convertible, Plug-On Neutral Load Centers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

SQUARE D
Manufacturer Part Number
QO330MQ125RB
Type
25kA, Outdoor
AC
208Y/120/240V
Phase
3
Spaces
30
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
Convertible

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

Product Description

The Square D QO Load Center (MPN QO330MQ125RB) is a 125 A, 3-phase, convertible main lug unit rated 208Y/120/240V AC with a 25kA short-circuit current rating. It offers 30 spaces, zero tandem breaker capacity, and includes a surface cover for outdoor installations.

Frequently Asked Questions

What is the Square D QO330MQ125RB load center used for?

The Square D QO330MQ125RB is a 125 A, 3-phase, convertible main lug load center rated 208Y/120/240V AC with a 25kA short-circuit current rating. It is designed for outdoor commercial or industrial applications requiring 30 spaces and a surface cover enclosure.

What are the specifications of the Square D QO330MQ125RB?

This Square D load center is rated 125 A, 208Y/120/240V AC, 3-phase, with a 25kA short-circuit current rating. It has 30 spaces, zero tandem breaker capacity, a convertible main lug, and includes a surface cover for outdoor installation.

Where to buy the Square D QO330MQ125RB load center worldwide?

3G Electric supplies the Square D QO330MQ125RB 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 125 A, 3-phase, outdoor-rated unit.

How to install a Square D QO load center outdoors?

For outdoor installation of a Square D QO load center like the QO330MQ125RB, mount the enclosure on a flat, vertical surface using the provided knockouts. Ensure the unit is rated for outdoor use (NEMA 3R typically) and follow local electrical codes for conduit entry and grounding.

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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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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