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SQUARE D Miniature Circuit Breaker: 30 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: 30 A, 120/240V AC, Single Phase, 10kA at 120/240V AC

The SQUARE D QOU230 is a 30 A, single-phase, 2-pole 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…

SKU 3G-OTH-23098

Also listed as: QOU 230 · QOU-230

Brand
SQUARE D
Item
Miniature Circuit Breaker: 30 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
Category
QOU Series, Unit-Mount Square D Miniature Circuit Breakers
Available to Order
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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
QOU230
Type
Single Phase, 10kA at 120/240V AC
AC
120/240V
Amps
30 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

Technical Documents

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

Product Description

The SQUARE D QOU230 is a 30 A, single-phase, 2-pole 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 QOU230 miniature circuit breaker used for?

The SQUARE D QOU230 is a 30 A, 2-pole miniature circuit breaker designed for unit-mount applications in air conditioning and refrigeration equipment. It protects single-phase circuits rated 120/240V AC from overloads and short circuits, with a maximum interrupting rating of 10kA at 120/240V AC.

What are the specifications of the SQUARE D QOU230?

The SQUARE D QOU230 is a 30 A, single-phase, 2-pole miniature circuit breaker from the QOU Series. It is rated 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. It is designed for use with air conditioning and refrigeration equipment and is a unit-mount type.

Where to buy the SQUARE D QOU230 worldwide?

3G Electric supplies the SQUARE D QOU230 miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this breaker for your air conditioning or refrigeration application.

How to install the SQUARE D QOU230 miniature circuit breaker?

To install the SQUARE D QOU230, ensure the circuit is de-energized. Mount the breaker securely in a compatible unit-mount panel, connect line and load conductors to the terminals per the wiring diagram, and torque to manufacturer specifications. Always follow local electrical codes and use proper personal protective 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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