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3G Electric
SQUARE D QO320L125GRB Main Lug Load Center - Square D QO - Main Lug Load Centers
SQUARE DSquare D QO - Main Lug Load Centers

SQUARE D QO320L125GRB Main Lug Load Center

The Square D QO Main Lug Load Center (MPN QO320L125GRB) is a 125 A, 3-phase, 20-space outdoor panel rated 208Y/120/240V AC with a 65kA short-circuit current rating. It includes a surface cover and supports zero…

SKU 3G-OTH-609667

Brand
SQUARE D
Item
QO320L125GRB Main Lug Load Center
Part Number
QO320L125GRB
Category
Square D QO - Main Lug 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
QO320L125GRB
Type
65kA, Outdoor
AC
208Y/120/240V
Phase
3
Spaces
20
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

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

Product Description

The Square D QO Main Lug Load Center (MPN QO320L125GRB) is a 125 A, 3-phase, 20-space outdoor panel rated 208Y/120/240V AC with a 65kA short-circuit current rating. It includes a surface cover and supports zero tandem breakers, serving as a main lug distribution point for branch circuits.

Frequently Asked Questions

What is the Square D QO320L125GRB load center used for?

The Square D QO320L125GRB is a 125 A, 3-phase main lug load center used to distribute power to branch circuits in outdoor commercial or industrial settings. It accepts up to 20 spaces and is rated 208Y/120/240V AC with a 65kA short-circuit current rating.

What are the specifications of the Square D QO320L125GRB?

This Square D QO load center is rated 125 A, 208Y/120/240V AC, 3-phase, 65kA short-circuit current, with 20 spaces and zero tandem breaker capacity. It includes a surface cover, is designed for outdoor use, and is configured as a main lug (no main breaker).

Where to buy the Square D QO320L125GRB load center worldwide?

3G Electric supplies the Square D QO320L125GRB 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 panel.

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

Installation of a Square D QO main lug load center like the QO320L125GRB requires mounting the outdoor-rated enclosure, connecting incoming 3-phase 208Y/120/240V AC supply to the main lugs, and wiring branch circuits into the 20 spaces. Always follow local electrical codes and use a licensed electrician.

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 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 125A main lug load center is designed for 3-phase, 208Y/120/240V AC indoor installations. It provides 24 spaces for branch circuit breakers and has a 65kA short-circuit current rating. The enclosure cover must be ordered separately; no tandem breakers are permitted

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