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

3G Electric
SQUARE D QO135 Miniature Circuit Breaker, 35A, 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 QO135 Miniature Circuit Breaker, 35A, 1-Pole, 120/240V AC, 10kA

The SQUARE D QO135 is a 35 A, single-phase, plug-in miniature circuit breaker from the QO Series, designed for use with QO Load Centers and NQ Panelboards. It has an AC voltage rating of 120/240V AC and a maximum AIR…

SKU 3G-OTH-21832

Also listed as: QO 135 · QO-135

Brand
SQUARE D
Item
QO135 Miniature Circuit Breaker, 35A, 1-Pole, 120/240V AC, 10kA
Part Number
QO135
Category
QO Series, Plug-In Square D Miniature Circuit Breakers
Available to Order
Also known as:QO135SQUARE 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
QO135
Type
Single Phase, 10kA at 120/240V AC
AC
120/240V
Amps
35 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

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 QO135 is a 35 A, single-phase, plug-in miniature circuit breaker from the QO Series, designed for use with QO Load Centers and NQ Panelboards. It has an AC voltage rating of 120/240V AC and a maximum AIR rating of 10kA at 120/240V AC.

Frequently Asked Questions

What is the SQUARE D QO135 miniature circuit breaker used for?

The SQUARE D QO135 is a 35 A, single-phase, plug-in miniature circuit breaker from the QO Series. It protects branch circuits in residential and commercial electrical panels, specifically designed for use with QO Load Centers and NQ Panelboards, providing overcurrent protection at 120/240V AC.

What are the specifications of the SQUARE D QO135 circuit breaker?

The SQUARE D QO135 is a 1-pole, 35 A, single-phase miniature circuit breaker rated 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. It is a plug-in type for QO Load Centers and NQ Panelboards, manufactured by SQUARE D under MPN QO135.

Where to buy the SQUARE D QO135 circuit breaker worldwide?

3G Electric supplies the SQUARE D QO135 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine SQUARE D QO Series breaker.

How to install the SQUARE D QO135 circuit breaker?

To install the SQUARE D QO135, ensure the panel is de-energized. Align the breaker's plug-in tabs with the bus bar in a QO Load Center or NQ Panelboard, then press firmly until it snaps into place. Always follow local electrical codes and the manufacturer's instructions for safe installation.

Used in

Common applications for SQUARE D
Commercial electrical panels — QO and QOB miniature circuit breakers for overcurrent protection in load centers and panelboards.
HVACR equipment — 8910 Series Type DPA definite purpose contactors for switching compressor and fan motor loads.
Industrial power distribution — J-Frame molded case circuit breakers for main and feeder protection in switchboards.
Residential ground-fault protection — QO and QOB GFI circuit breakers for kitchens, bathrooms, and outdoor circuits.
Motor control centers — definite purpose contactors for controlling pumps, fans, and other moderate motor loads.
OEM machinery — Square D circuit breakers and contactors for integration into control panels and equipment.
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
Single-pole, plug-in miniature circuit breaker rated 15 A at 120/240V AC. Provides overcurrent protection for single-phase branch circuits. Suitable for use in QO Load Centers and NQ Panelboards. Maximum interrupting rating 10 kA at 120/240V AC
SQUARE D
Single-pole, plug-in miniature circuit breaker rated 15 A at 120/240V AC. Provides overcurrent protection for single-phase branch circuits. Suitable for use in QO Load Centers and NQ Panelboards. Maximum interrupting rating 10 kA at 120/240V AC
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