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SQUARE D Miniature Circuit Breaker: 125 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: 125 A, 120/240V AC, Single Phase, 10kA at 120/240V AC

The SQUARE D QOU2125 is a 125 A, single-phase, 2-pole 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…

SKU 3G-OTH-23329

Brand
SQUARE D
Item
Miniature Circuit Breaker: 125 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
Category
QOU Series, Unit-Mount Square D Miniature Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
QOU2125
Type
Single Phase, 10kA at 120/240V AC
AC
120/240V
Amps
125 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
View Full Spec Sheet

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

Product Description

The SQUARE D QOU2125 is a 125 A, single-phase, 2-pole 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 unit-mount breaker provides overcurrent protection in a compact form factor.

Frequently Asked Questions

What is the SQUARE D QOU2125 miniature circuit breaker used for?

The SQUARE D QOU2125 is a 125 A, 2-pole miniature circuit breaker designed for overcurrent protection in air conditioning and refrigeration equipment. It operates on single-phase 120/240V AC systems and is part of the QOU Series unit-mount breakers.

What are the specifications of the SQUARE D QOU2125?

The SQUARE D QOU2125 is rated 125 A, single-phase, 120/240V AC, with a maximum AIR rating of 10kA at 120/240V AC. It has 2 poles and is designed for use with air conditioning and refrigeration equipment. The manufacturer part number is QOU2125.

Where to buy the SQUARE D QOU2125 worldwide?

3G Electric supplies the SQUARE D QOU2125 miniature circuit breaker worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this QOU Series breaker for your project.

How to select the SQUARE D QOU2125 for an HVAC application?

To select the SQUARE D QOU2125, verify your system is single-phase 120/240V AC with a maximum load of 125 A. This breaker is specifically designed for air conditioning and refrigeration equipment. Ensure the available fault current does not exceed 10kA at 120/240V AC for proper overcurrent protection.

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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