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

SQUARE D Miniature Circuit Breaker: 25 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: 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC

The SQUARE D QOU125 is a 25 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 heating…

SKU 3G-OTH-23078

Also listed as: QOU 125 · QOU-125

Brand
SQUARE D
Item
Miniature Circuit Breaker: 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
Category
QOU Series, Unit-Mount Square D Miniature Circuit Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
QOU125
Type
Single Phase, 10kA at 120/240V AC
AC
120/240V
Amps
25 A
Phase
Single
Poles
1
For Use With
Heating
Max. AIR Rating
10kA at 120/240V AC
AC Voltage Rating
120/240V AC

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SQUARE D QOU125 is a 25 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 heating applications, this 1-pole breaker provides overcurrent protection in industrial equipment.

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 QOU125 miniature circuit breaker used for?

The SQUARE D QOU125 provides overcurrent protection in industrial heating equipment and other single-phase loads. As a 25 A, 1-pole breaker rated for 120/240V AC with a 10kA interrupting capacity, it safeguards branch circuits in panelboards and unit-mount applications across manufacturing and process industries.

What are the specifications of the SQUARE D QOU125 circuit breaker?

The SQUARE D QOU125 is a 25 A, single-phase, 1-pole miniature circuit breaker rated for 120/240V AC. Its maximum AIR rating is 10kA at 120/240V AC. It is part of the QOU Series and designed for use with heating applications. The manufacturer part number is QOU125.

Where to buy the SQUARE D QOU125 circuit breaker worldwide?

3G Electric supplies the SQUARE D QOU125 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 25 A, 1-pole breaker from the QOU Series.

How to install the SQUARE D QOU125 circuit breaker?

Install the SQUARE D QOU125 by mounting it onto a compatible DIN rail or panelboard bus, ensuring the breaker is in the OFF position. Connect line and load conductors to the terminal screws, torquing to manufacturer specifications. Verify the 120/240V AC supply is de-energized before installation. Always follow local electrical codes.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SQUARE D Miniature Circuit Breaker: 35 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QOU135)
SQUARE D
SQUARE D Miniature Circuit Breaker: 35 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QOU135)
SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QOU120HM)
SQUARE D
SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QOU120HM)
SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QOU120)
SQUARE D
SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QOU120)
SQUARE D Miniature Circuit Breaker: 10 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QOU210)
SQUARE D
SQUARE D Miniature Circuit Breaker: 10 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QOU210)
SQUARE D Miniature Circuit Breaker: 45 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QOU245)
SQUARE D
SQUARE D Miniature Circuit Breaker: 45 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QOU245)
SQUARE D Miniature Circuit Breaker: 70 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QOU170)
SQUARE D
SQUARE D Miniature Circuit Breaker: 70 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QOU170)

More from SQUARE D

View all SQUARE D parts
SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QOU1201021)
SQUARE D
SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QOU1201021)
SQUARE D Miniature Circuit Breaker: 125 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QOU21251021)
SQUARE D
SQUARE D Miniature Circuit Breaker: 125 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QOU21251021)
SQUARE D Miniature Circuit Breaker: 100 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QOU31001021)
SQUARE D
SQUARE D Miniature Circuit Breaker: 100 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QOU31001021)
SQUARE D Miniature Circuit Breaker: 50 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QOU350)
SQUARE D
SQUARE D Miniature Circuit Breaker: 50 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QOU350)
SQUARE D Miniature Circuit Breaker: 30 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QOU230VH)
SQUARE D
SQUARE D Miniature Circuit Breaker: 30 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QOU230VH)
SQUARE D Miniature Circuit Breaker: 60 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QOU360)
SQUARE D
SQUARE D Miniature Circuit Breaker: 60 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QOU360)
SQUARE D Miniature Circuit Breaker: 60 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QOU3601021)
SQUARE D
SQUARE D Miniature Circuit Breaker: 60 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QOU3601021)
SQUARE D Miniature Circuit Breaker: 60 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QOU2601021)
SQUARE D
SQUARE D Miniature Circuit Breaker: 60 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QOU2601021)