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SQUARE D Miniature Circuit Breaker: 80 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: 80 A, 120/240V AC, Single Phase, 10kA at 120/240V AC

The SQUARE D QOU180 is a unit-mount miniature circuit breaker from the QOU Series, rated for 80 A at 120/240V AC, single phase, with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with air conditioning…

SKU 3G-OTH-23302

Also listed as: QOU 180 · QOU-180

Brand
SQUARE D
Item
Miniature Circuit Breaker: 80 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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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
QOU180
Type
Single Phase, 10kA at 120/240V AC
AC
120/240V
Amps
80 A
Phase
Single
Poles
1
For Use With
Air Conditioning and Refrigeration Equipment
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 QOU180 is a unit-mount miniature circuit breaker from the QOU Series, rated for 80 A at 120/240V AC, single phase, with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with air conditioning and refrigeration equipment, this 1-pole breaker provides overcurrent protection in a compact form factor.

Frequently Asked Questions

What is the SQUARE D QOU180 miniature circuit breaker used for?

The SQUARE D QOU180 is a 1-pole miniature circuit breaker designed for overcurrent protection in air conditioning and refrigeration equipment. It is rated 80 A at 120/240V AC, single phase, with a 10kA interrupting rating. This unit-mount breaker is suitable for commercial and industrial HVAC applications.

What are the specifications of the SQUARE D QOU180?

The SQUARE D QOU180 is a QOU Series miniature circuit breaker with 80 A rating, 120/240V AC, single phase, and a maximum AIR rating of 10kA at 120/240V AC. It has 1 pole and is designed for use with air conditioning and refrigeration equipment. The manufacturer part number is QOU180.

Where to buy the SQUARE D QOU180 worldwide?

3G Electric supplies the SQUARE D QOU180 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 to source this QOU Series breaker for your HVAC or refrigeration project.

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

To select the correct SQUARE D QOU breaker, match the voltage (120/240V AC), phase (single), and ampere rating (80 A for QOU180) to your equipment. Ensure the interrupting rating (10kA) exceeds available fault current. For air conditioning and refrigeration loads, the QOU180 provides dedicated overcurrent protection in a compact unit-mount design.

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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