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SQUARE D QO3100 Miniature Circuit Breaker, 100 A, 3-Pole, 120/240V AC, 10kA - QO Series, Plug-In Square D Miniature Circuit Breakers
SQUARE DQO Series, Plug-In Square D Miniature Circuit Breakers

SQUARE D QO3100 Miniature Circuit Breaker, 100 A, 3-Pole, 120/240V AC, 10kA

The SQUARE D QO3100 is a 100 A, three-phase miniature circuit breaker from the QO Series, designed for plug-in installation in QO Load Centers and NQ Panelboards. It carries a maximum AIR rating of 10kA at 120/240V…

SKU 3G-OTH-21205

Also listed as: QO 3100 · QO-3100

Brand
SQUARE D
Item
QO3100 Miniature Circuit Breaker, 100 A, 3-Pole, 120/240V AC, 10kA
Category
QO Series, Plug-In Square D Miniature Circuit Breakers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SQUARE D
Manufacturer Part Number
QO3100
Type
Three Phase, 10kA at 120/240V AC
AC
120/240V
Amps
100 A
Phase
Three
Poles
3
For Use With
QO Load Centers and NQ Panelboards
Max. AIR Rating
10kA at 120/240V AC
AC Voltage Rating
120/240V AC

Technical Documents

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

Product Description

The SQUARE D QO3100 is a 100 A, three-phase miniature circuit breaker from the QO Series, designed for plug-in installation in QO Load Centers and NQ Panelboards. It carries a maximum AIR rating of 10kA at 120/240V AC and an AC voltage rating of 120/240V AC.

Frequently Asked Questions

What is the SQUARE D QO3100 miniature circuit breaker used for?

The SQUARE D QO3100 is a 100 A, three-phase miniature circuit breaker used for overcurrent protection in residential and commercial electrical systems. It is designed for plug-in installation in QO Load Centers and NQ Panelboards, providing reliable branch circuit protection at 120/240V AC.

What are the specifications of the SQUARE D QO3100 circuit breaker?

The SQUARE D QO3100 is a 100 A, three-phase, 3-pole miniature circuit breaker with an AC voltage rating of 120/240V AC and a maximum AIR rating of 10kA at 120/240V AC. It is part of the QO Series and is designed for use with QO Load Centers and NQ Panelboards.

Where to buy the SQUARE D QO3100 circuit breaker worldwide?

You can source the SQUARE D QO3100 circuit breaker through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the product reaches your facility efficiently.

How to install the SQUARE D QO3100 circuit breaker?

To install the SQUARE D QO3100, ensure the panel is de-energized, then plug the breaker into the designated bus bar slot in a QO Load Center or NQ Panelboard. Verify the breaker is fully seated and the handle snaps into position. Always follow local electrical codes and use qualified personnel.

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
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SQUARE D Products

3G Electric supplies SQUARE D qo series, plug-in square d miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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