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3G Electric
SQUARE D QO120M100P Main Breaker Load Center - Square D QO - Main Breaker, Convertible, Plug-On Neutral Load Centers
SQUARE DSquare D QO - Main Breaker, Convertible, Plug-On Neutral Load Centers

SQUARE D QO120M100P Main Breaker Load Center

The Square D QO120M100P is a 100 A, 1-phase, 120/240V AC main breaker load center with 20 spaces and a 22 kA short-circuit current rating. Designed for indoor use, this convertible, plug-on neutral unit supports up…

SKU 3G-OTH-721864

Brand
SQUARE D
Item
QO120M100P Main Breaker Load Center
Part Number
QO120M100P
Category
Square D QO - Main Breaker, 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
QO120M100P
Type
22 kA, Indoor
AC
120/240V
Phase
1
Spaces
20
Voltage
120/240V AC
Location
Indoor
Included Enclosure Cover
Order Separately
Max. No. Of Tandem Breakers
4
Short Circuit Current Rating
22 kA
Main Circuit Breaker or Main Lug
Main Circuit Breaker

Technical Documents

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

Product Description

The Square D QO120M100P is a 100 A, 1-phase, 120/240V AC main breaker load center with 20 spaces and a 22 kA short-circuit current rating. Designed for indoor use, this convertible, plug-on neutral unit supports up to 4 tandem breakers; enclosure cover is ordered separately.

Frequently Asked Questions

What is the Square D QO120M100P load center used for?

The Square D QO120M100P is a 100 A main breaker load center for residential and light commercial electrical distribution. It provides overcurrent protection and branch circuit control in indoor 120/240V AC single-phase systems, supporting up to 20 circuits with a 22 kA short-circuit rating.

What are the specifications of the Square D QO120M100P load center?

This Square D QO load center is rated 100 A, 120/240V AC, 1-phase, with 20 spaces and a 22 kA short-circuit current rating. It is indoor-rated, convertible, plug-on neutral, and supports up to 4 tandem breakers. The enclosure cover is ordered separately.

Where to buy the Square D QO120M100P load center worldwide?

3G Electric supplies the Square D QO120M100P 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 genuine Square D part.

How to install the Square D QO120M100P load center?

Installation must follow the National Electrical Code and local regulations. Mount the load center on a wall stud, connect the main breaker to the service feed, and route branch circuits to the plug-on neutral bus. Always de-energize the panel before work 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 breaker, 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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