We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

SQUARE D Miniature Circuit Breaker: 40 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: 40 A, 120/240V AC, Single Phase, 10kA at 120/240V AC

The SQUARE D QOU140 is a 40 A, single-phase, unit-mount 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-23182

Also listed as: QOU 140 · QOU-140

Brand
SQUARE D
Item
Miniature Circuit Breaker: 40 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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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SQUARE D
Manufacturer Part Number
QOU140
Type
Single Phase, 10kA at 120/240V AC
AC
120/240V
Amps
40 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 QOU140 is a 40 A, single-phase, unit-mount 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 1-pole breaker provides overcurrent protection in a compact unit-mount form factor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SQUARE D QOU140 miniature circuit breaker used for?

The SQUARE D QOU140 is a 40 A, single-phase miniature circuit breaker designed for overcurrent protection in air conditioning and refrigeration equipment. It is part of the QOU Series and rated for 120/240V AC with a 10kA interrupting capacity.

What are the specifications of the SQUARE D QOU140?

The SQUARE D QOU140 is a 1-pole, 40 A miniature circuit breaker rated for 120/240V AC, single-phase, with a maximum AIR rating of 10kA at 120/240V AC. It is designed for use with air conditioning and refrigeration equipment and has the MPN QOU140.

Where to buy the SQUARE D QOU140 worldwide?

You can source the SQUARE D QOU140 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the SQUARE D QOU140 for an HVAC application?

To select the SQUARE D QOU140, verify your system voltage is 120/240V AC single-phase and the load current does not exceed 40 A. Ensure the interrupting capacity of 10kA meets your fault current requirements. This breaker is specifically designed 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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