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

The SQUARE D QOU2101021 is a 10 A, single-phase, 2-pole miniature circuit breaker from the QOU Series, rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with air conditioning…

SKU 3G-OTH-22892

Brand
SQUARE D
Item
Miniature Circuit Breaker: 10 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
Category
QOU Series, Unit-Mount Square D Miniature Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
QOU2101021
Type
Single Phase, 10kA at 120/240V AC
AC
120/240V
Amps
10 A
Phase
Single
Poles
2
For Use With
Air Conditioning and Refrigeration Equipment
Max. AIR Rating
10kA at 120/240V AC
AC Voltage Rating
120/240V AC
View Full Spec Sheet

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

Product Description

The SQUARE D QOU2101021 is a 10 A, single-phase, 2-pole miniature circuit breaker from the QOU Series, rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with air conditioning and refrigeration equipment, this unit-mount breaker provides overcurrent protection in a compact form factor.

Frequently Asked Questions

What is the SQUARE D QOU2101021 miniature circuit breaker used for?

The SQUARE D QOU2101021 is a 10 A, 2-pole miniature circuit breaker designed for overcurrent protection in air conditioning and refrigeration equipment. It is part of the QOU Series and rated for single-phase, 120/240V AC systems with a 10kA interrupting rating.

What are the specifications of the SQUARE D QOU2101021?

The SQUARE D QOU2101021 is a 10 A, single-phase, 2-pole miniature circuit breaker rated for 120/240V AC. It has a maximum AIR rating of 10kA at 120/240V AC and is designed for use with air conditioning and refrigeration equipment. The MPN is QOU2101021.

Where to buy the SQUARE D QOU2101021 worldwide?

3G Electric supplies the SQUARE D QOU2101021 miniature circuit breaker worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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 (120/240V AC), current rating (10 A), and pole count (2) to your circuit requirements. Ensure the interrupting rating (10kA) exceeds available fault current. The QOU2101021 is specifically for air conditioning and refrigeration equipment.

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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