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SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 22kA 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: 20 A, 120/240V AC, Single Phase, 22kA at 120/240V AC

The SQUARE D QOU Series Miniature Circuit Breaker (MPN QOU120VH) is a 20 A, single-phase, unit-mount breaker rated for 120/240V AC with a maximum AIR rating of 22kA at 120/240V AC. Designed for use with air…

SKU 3G-OTH-23019

Brand
SQUARE D
Item
Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 22kA 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
QOU120VH
Type
Single Phase, 22kA at 120/240V AC
AC
120/240V
Amps
20 A
Phase
Single
Poles
1
For Use With
Air Conditioning and Refrigeration Equipment
Max. AIR Rating
22kA 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 QOU Series Miniature Circuit Breaker (MPN QOU120VH) is a 20 A, single-phase, unit-mount breaker rated for 120/240V AC with a maximum AIR rating of 22kA at 120/240V AC. Designed for use with air conditioning and refrigeration equipment, this 1-pole breaker provides overcurrent protection in a compact QOU form factor.

Frequently Asked Questions

What is the SQUARE D QOU120VH miniature circuit breaker used for?

The SQUARE D QOU120VH is a 20 A, single-phase miniature circuit breaker designed for overcurrent protection in air conditioning and refrigeration equipment. It is rated for 120/240V AC with a 22kA interrupting rating and mounts in a compact QOU unit-mount form factor.

What are the specifications of the SQUARE D QOU120VH?

The SQUARE D QOU120VH is a 1-pole, 20 A miniature circuit breaker rated for 120/240V AC, single-phase, with a maximum AIR rating of 22kA at 120/240V AC. It is part of the QOU Series and is intended for use with air conditioning and refrigeration equipment.

Where to buy the SQUARE D QOU120VH worldwide?

3G Electric supplies the SQUARE D QOU120VH miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this QOU Series breaker.

How to select the SQUARE D QOU120VH for an HVAC application?

Select the SQUARE D QOU120VH for single-phase air conditioning or refrigeration circuits requiring 20 A overcurrent protection at 120/240V AC. Ensure the available fault current does not exceed 22kA. This unit-mount breaker fits SQUARE D QOU load centers and panelboards.

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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