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SQUARE D Load Center: 125 A Amps, 208Y/120/240V AC, 20 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: 125 A Amps, 208Y/120/240V AC, 20 Spaces, 65kA, 0 Max. No. of Tandem Breakers

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
Load Center: 125 A Amps, 208Y/120/240V AC, 20 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
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
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 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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 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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Load Center: 100 A Amps, 120/240V AC, 6 Spaces, 10kA, 6 Max. No. of Tandem Breakers, Flush Cover (MPN QO612L100DF). Key specifications — Voltage: 120/240V AC; Short Circuit Current Rating: 10kA; Included Enclosure Cover: Flush Cover; Phase: 1; Main Circuit Breaker or Main Lug: Main Lug; Location: Indoor.
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Load Center: 100 A Amps, 120/240V AC, 6 Spaces, 10kA, 6 Max. No. of Tandem Breakers, Flush Cover (MPN QO612L100DF). Key specifications — Voltage: 120/240V AC; Short Circuit Current Rating: 10kA; Included Enclosure Cover: Flush Cover; Phase: 1; Main Circuit Breaker or Main Lug: Main Lug; Location: Indoor.
Load Center: 100 A Amps, 120/240V AC, 8 Spaces, 10kA, 8 Max. No. of Tandem Breakers, Surface Cover (MPN QO816L100DS). Key specifications — Voltage: 120/240V AC; Short Circuit Current Rating: 10kA; Included Enclosure Cover: Surface Cover; Phase: 1; Main Circuit Breaker or Main Lug: Main Lug; Location: Indoor.
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Load Center: 125 A Amps, 208Y/120/240V AC, 24 Spaces, 65kA, 0 Max. No. of Tandem Breakers, Indoor (MPN QO324L125G). Key specifications — Voltage: 208Y/120/240V AC; Short Circuit Current Rating: 65kA; Included Enclosure Cover: Order Separately; Phase: 3; Main Circuit Breaker or Main Lug: Main Lug; Location: Indoor.
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Load Center: 125 A Amps, 208Y/120/240V AC, 24 Spaces, 65kA, 0 Max. No. of Tandem Breakers, Indoor (MPN QO324L125G). Key specifications — Voltage: 208Y/120/240V AC; Short Circuit Current Rating: 65kA; Included Enclosure Cover: Order Separately; Phase: 3; Main Circuit Breaker or Main Lug: Main Lug; Location: Indoor.
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Load Center: 125 A Amps, 208Y/120/240V AC, 20 Spaces, 65kA, 0 Max. No. of Tandem Breakers, Indoor (MPN QO320L125G). Key specifications — Voltage: 208Y/120/240V AC; Short Circuit Current Rating: 65kA; Included Enclosure Cover: Order Separately; Phase: 3; Main Circuit Breaker or Main Lug: Main Lug; Location: Indoor.
Load Center: 225 A Amps, 208Y/120/240V AC, 42 Spaces, 65kA, 0 Max. No. of Tandem Breakers, Outdoor (MPN QO342L225GRB). Key specifications — Voltage: 208Y/120/240V AC; Short Circuit Current Rating: 65kA; Included Enclosure Cover: Surface Cover; Phase: 3; Main Circuit Breaker or Main Lug: Main Lug; Location: Outdoor.
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Load Center: 225 A Amps, 208Y/120/240V AC, 42 Spaces, 65kA, 0 Max. No. of Tandem Breakers, Outdoor (MPN QO342L225GRB). Key specifications — Voltage: 208Y/120/240V AC; Short Circuit Current Rating: 65kA; Included Enclosure Cover: Surface Cover; Phase: 3; Main Circuit Breaker or Main Lug: Main Lug; Location: Outdoor.
Load Center: 40 A Amps, 120/240V AC, 2 Spaces, 65kA, 0 Max. No. of Tandem Breakers, Surface Cover (MPN QO2L40RB). Key specifications — Voltage: 120/240V AC; Short Circuit Current Rating: 65kA; Included Enclosure Cover: Surface Cover; Phase: 1; Main Circuit Breaker or Main Lug: Main Lug; Location: Outdoor.
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Load Center: 100 A Amps, 120/240V AC, 6 Spaces, 10kA, 6 Max. No. of Tandem Breakers, Surface Cover (MPN QO612L100RB). Key specifications — Voltage: 120/240V AC; Short Circuit Current Rating: 10kA; Included Enclosure Cover: Surface Cover; Phase: 1; Main Circuit Breaker or Main Lug: Main Lug; Location: Outdoor.
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