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SQUARE D Miniature Circuit Breaker: 30 A, 120/240V AC, Three Phase, 22kA at 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: 30 A, 120/240V AC, Three Phase, 22kA at 240V AC

The SQUARE D QOU Series Unit-Mount Miniature Circuit Breaker (MPN QOU330VH) is a three-phase, 30 A, 120/240V AC device with a maximum AIR rating of 22kA at 240V AC. Designed for use with air conditioning and…

SKU 3G-OTH-23141

Brand
SQUARE D
Item
Miniature Circuit Breaker: 30 A, 120/240V AC, Three Phase, 22kA at 240V AC
Category
QOU Series, Unit-Mount Square D Miniature Circuit Breakers
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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
QOU330VH
Type
Three Phase, 22kA at 240V AC
AC
120/240V
Amps
30 A
Phase
Three
Poles
3
For Use With
Air Conditioning and Refrigeration Equipment
Max. AIR Rating
22kA at 240V AC
AC Voltage Rating
120/240V AC

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

Product Description

The SQUARE D QOU Series Unit-Mount Miniature Circuit Breaker (MPN QOU330VH) is a three-phase, 30 A, 120/240V AC device with a maximum AIR rating of 22kA at 240V AC. Designed for use with air conditioning and refrigeration equipment, this 3-pole breaker provides overcurrent protection in a compact unit-mount form factor.

Frequently Asked Questions

What is the SQUARE D QOU330VH miniature circuit breaker used for?

The SQUARE D QOU330VH is a three-phase, 30 A miniature circuit breaker designed for overcurrent protection in air conditioning and refrigeration equipment. It operates at 120/240V AC with a 22kA interrupting rating at 240V AC, making it suitable for commercial HVAC and refrigeration systems.

What are the specifications of the SQUARE D QOU330VH?

The SQUARE D QOU330VH is a 3-pole, three-phase miniature circuit breaker rated 30 A at 120/240V AC. It has a maximum AIR rating of 22kA at 240V AC and is part of the QOU Series unit-mount form factor. It is intended for use with air conditioning and refrigeration equipment.

Where to buy the SQUARE D QOU330VH worldwide?

You can source the SQUARE D QOU330VH through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine SQUARE D components for HVAC and refrigeration applications.

How to select the right SQUARE D QOU330VH for my application?

Select the SQUARE D QOU330VH for three-phase air conditioning or refrigeration equipment requiring 30 A overcurrent protection at 120/240V AC. Ensure your system's available fault current does not exceed 22kA at 240V AC. The QOU series unit-mount design fits compact panel spaces. Consult a licensed electrician for proper sizing and installation.

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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