We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
SQUARE D QO115 Miniature Circuit Breaker, 15A, 1-Pole, 120/240V AC, 10kA - QO Series, Plug-In Square D Miniature Circuit Breakers
SQUARE DQO Series, Plug-In Square D Miniature Circuit Breakers

SQUARE D QO115 Miniature Circuit Breaker, 15A, 1-Pole, 120/240V AC, 10kA

The SQUARE D QO115 is a 15 A, single-phase, plug-in miniature circuit breaker from the QO Series, rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with QO Load Centers and NQ…

SKU 3G-OTH-21276

Also listed as: QO 115 · QO-115

Brand
SQUARE D
Item
QO115 Miniature Circuit Breaker, 15A, 1-Pole, 120/240V AC, 10kA
Part Number
QO115
Category
QO Series, Plug-In Square D Miniature Circuit Breakers
Available to Order
Also known as:QO115SQUARE D
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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SQUARE D
Manufacturer Part Number
QO115
Type
Single Phase, 10kA at 120/240V AC
AC
120/240V
Amps
15 A
Phase
Single
Poles
1
For Use With
QO Load Centers and NQ Panelboards
Max. AIR Rating
10kA at 120/240V AC
AC Voltage Rating
120/240V AC
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 QO115 is a 15 A, single-phase, plug-in miniature circuit breaker from the QO Series, rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with QO Load Centers and NQ Panelboards, this 1-pole breaker provides overcurrent protection in residential and commercial electrical distribution systems.

Frequently Asked Questions

What is the SQUARE D QO115 miniature circuit breaker used for?

The SQUARE D QO115 provides overcurrent protection in residential and commercial electrical distribution systems. It is designed for use with QO Load Centers and NQ Panelboards, safeguarding single-phase circuits rated at 15 A and 120/240V AC.

What are the specifications of the SQUARE D QO115 circuit breaker?

The SQUARE D QO115 is a 1-pole, single-phase miniature circuit breaker rated at 15 A and 120/240V AC. It has a maximum AIR rating of 10kA at 120/240V AC and is designed for use with QO Load Centers and NQ Panelboards.

Where to buy the SQUARE D QO115 circuit breaker worldwide?

3G Electric supplies the SQUARE D QO115 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 project.

How to install the SQUARE D QO115 circuit breaker?

To install the SQUARE D QO115, ensure the panel is de-energized. Plug the breaker firmly into the bus bar of a compatible QO Load Center or NQ Panelboard until it snaps into place. 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
Not sure this is the right part? Photo-identify it

SQUARE D Products

3G Electric supplies SQUARE D qo series, plug-in 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

More from SQUARE D

View all SQUARE D parts
Three-phase, 3-pole miniature circuit breaker rated 40 A at 120V AC with a maximum interrupting rating of 10kA. Designed for plug-in installation in QO Load Centers and NQ Panelboards. Provides overcurrent and ground-fault protection for branch circuits in electrical distribution systems
SQUARE D
Three-phase, 3-pole miniature circuit breaker rated 40 A at 120V AC with a maximum interrupting rating of 10kA. Designed for plug-in installation in QO Load Centers and NQ Panelboards. Provides overcurrent and ground-fault protection for branch circuits in electrical distribution systems
Plug-in miniature circuit breaker for overcurrent and short-circuit protection in single-phase 120/240V AC circuits. Rated 20 A, 2-pole, with a maximum interrupting rating of 10kA at 120/240V AC. Compatible with QO Load Centers and NQ Panelboards
SQUARE D
Plug-in miniature circuit breaker for overcurrent and short-circuit protection in single-phase 120/240V AC circuits. Rated 20 A, 2-pole, with a maximum interrupting rating of 10kA at 120/240V AC. Compatible with QO Load Centers and NQ Panelboards
The SQUARE D QO225 is a 25 A, 2-pole miniature circuit breaker from the QO Series. Rated for 120/240V AC with a maximum interrupting capacity of 10kA, it provides overcurrent protection for single-phase branch circuits. Designed for plug-in installation in QO Load Centers and NQ Panelboards
SQUARE D
The SQUARE D QO225 is a 25 A, 2-pole miniature circuit breaker from the QO Series. Rated for 120/240V AC with a maximum interrupting capacity of 10kA, it provides overcurrent protection for single-phase branch circuits. Designed for plug-in installation in QO Load Centers and NQ Panelboards
Three-pole, 50 A miniature circuit breaker from the QO Series for plug-in installation in QO Load Centers and NQ Panelboards. Rated 120/240V AC with a maximum interrupting rating of 10kA at 120/240V AC. Suitable for overcurrent protection in three-phase branch circuits
SQUARE D
Three-pole, 50 A miniature circuit breaker from the QO Series for plug-in installation in QO Load Centers and NQ Panelboards. Rated 120/240V AC with a maximum interrupting rating of 10kA at 120/240V AC. Suitable for overcurrent protection in three-phase branch circuits
Single-pole, plug-in miniature circuit breaker rated 20 A at 120V AC. Provides overcurrent protection for single-phase circuits. Maximum AIR rating of 10kA at 120/240V AC. For use with QO Load Centers and NQ Panelboards
SQUARE D
Single-pole, plug-in miniature circuit breaker rated 20 A at 120V AC. Provides overcurrent protection for single-phase circuits. Maximum AIR rating of 10kA at 120/240V AC. For use with QO Load Centers and NQ Panelboards

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first