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SQUARE D Miniature Circuit Breaker: 100 A, 120/240V AC, Three Phase, 10kA at 120/240V AC - QOU Series, Unit-Mount Square D Miniature Circuit Breakers
SQUARE DQOU Series, Unit-Mount Square D Miniature Circuit Breakers

SQUARE D Miniature Circuit Breaker: 100 A, 120/240V AC, Three Phase, 10kA at 120/240V AC

The SQUARE D QOU3100 is a 100 A, three-phase miniature circuit breaker from the QOU Series, designed for unit-mount applications. It is rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC and is…

SKU 3G-OTH-22906

Also listed as: QOU 3100 · QOU-3100

Brand
SQUARE D
Item
Miniature Circuit Breaker: 100 A, 120/240V AC, Three Phase, 10kA at 120/240V AC
Category
QOU Series, Unit-Mount Square D Miniature Circuit Breakers
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SQUARE D
Manufacturer Part Number
QOU3100
Type
Three Phase, 10kA at 120/240V AC
AC
120/240V
Amps
100 A
Phase
Three
Poles
3
For Use With
Air Conditioning and Refrigeration Equipment
Max. AIR Rating
10kA at 120/240V AC
AC Voltage Rating
120/240V AC

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

Product Description

The SQUARE D QOU3100 is a 100 A, three-phase miniature circuit breaker from the QOU Series, designed for unit-mount applications. It is rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC and is intended for use with air conditioning and refrigeration equipment.

Frequently Asked Questions

What is the SQUARE D QOU3100 miniature circuit breaker used for?

The SQUARE D QOU3100 is a 100 A, three-phase miniature circuit breaker from the QOU Series, designed for unit-mount applications. It is specifically intended for use with air conditioning and refrigeration equipment, providing overcurrent protection at 120/240V AC with a 10kA interrupting rating.

What are the specifications of the SQUARE D QOU3100?

The SQUARE D QOU3100 is a 3-pole, 100 A miniature circuit breaker rated for 120/240V AC, three-phase, with a maximum AIR rating of 10kA at 120/240V AC. It is part of the QOU Series and is designed for unit-mount applications in air conditioning and refrigeration equipment.

Where to buy the SQUARE D QOU3100 worldwide?

3G Electric supplies the SQUARE D QOU3100 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this genuine SQUARE D part.

How to select the right SQUARE D QOU series breaker for my application?

To select the correct SQUARE D QOU series breaker, match the voltage, current, and phase requirements of your equipment. For the QOU3100, confirm your system is 120/240V AC, three-phase, with a load up to 100 A. Ensure the interrupting rating (10kA) exceeds available fault current. Consult a qualified electrician for installation.

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 qou series, unit-mount 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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