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SQUARE D Load Center: 40 A Amps, 120/240V AC, 2 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: 40 A Amps, 120/240V AC, 2 Spaces, 65kA, 0 Max. No. of Tandem Breakers

The Square D QO2L40RB is a 40 A main lug load center rated for 120/240V AC, 1-phase, with 2 spaces and a 65kA short circuit current rating. It includes a surface cover and is designed for outdoor use.

SKU 3G-OTH-609597

Brand
SQUARE D
Item
Load Center: 40 A Amps, 120/240V AC, 2 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
QO2L40RB
Type
65kA, Surface Cover
AC
120/240V
Phase
1
Spaces
2
Voltage
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 QO2L40RB is a 40 A main lug load center rated for 120/240V AC, 1-phase, with 2 spaces and a 65kA short circuit current rating. It includes a surface cover and is designed for outdoor use.

Frequently Asked Questions

What is the Square D QO2L40RB load center used for?

The Square D QO2L40RB is a 40 A main lug load center used for distributing power in outdoor residential or light commercial applications. It provides 2 spaces for branch circuits, rated 120/240V AC, 1-phase, with a 65kA short circuit rating for fault protection.

What are the specifications of the Square D QO2L40RB?

The Square D QO2L40RB is a 40 A, 120/240V AC, 1-phase main lug load center with 2 spaces, 0 max tandem breakers, and a 65kA short circuit current rating. It includes a surface cover and is rated for outdoor use. The enclosure is designed for surface mounting.

Where to buy the Square D QO2L40RB load center worldwide?

3G Electric supplies the Square D QO2L40RB load center to customers 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 outdoor-rated main lug panel.

How to install the Square D QO2L40RB load center?

Install the Square D QO2L40RB on a flat outdoor surface using the included surface cover. Ensure the main lug connections are torqued per Square D specifications. Use only Square D QO breakers. Always disconnect power before installation and follow local electrical codes.

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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