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SQUARE D Miniature Circuit Breaker: 30 A, 240V AC, Three Phase, 10kA at 240V AC - QOB Series, Bolt-On Square D Miniature Circuit Breakers
SQUARE DQOB Series, Bolt-On Square D Miniature Circuit Breakers

SQUARE D Miniature Circuit Breaker: 30 A, 240V AC, Three Phase, 10kA at 240V AC

The SQUARE D QOB Series Miniature Circuit Breaker (MPN QOB330EPD) is a 30 A, three-phase, bolt-on breaker rated for 240V AC with a maximum AIR rating of 10kA at 240V AC. It is designed for use with QO Load Centers…

SKU 3G-OTH-23455

Brand
SQUARE D
Item
Miniature Circuit Breaker: 30 A, 240V AC, Three Phase, 10kA at 240V AC
Category
QOB Series, Bolt-On Square D Miniature Circuit Breakers
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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
QOB330EPD
Type
Three Phase, 10kA at 240V AC
AC
240V
Amps
30 A
Phase
Three
Poles
3
For Use With
QO Load Centers and NQ Panelboards
Max. AIR Rating
10kA at 240V AC
AC Voltage Rating
240V AC

Technical Documents

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

Product Description

The SQUARE D QOB Series Miniature Circuit Breaker (MPN QOB330EPD) is a 30 A, three-phase, bolt-on breaker rated for 240V AC with a maximum AIR rating of 10kA at 240V AC. It is designed for use with QO Load Centers and NQ Panelboards.

Frequently Asked Questions

What is the SQUARE D QOB330EPD miniature circuit breaker used for?

The SQUARE D QOB330EPD is a 30 A, three-phase, bolt-on miniature circuit breaker rated for 240V AC. It provides overcurrent protection in QO Load Centers and NQ Panelboards, commonly used in commercial and industrial electrical distribution systems.

What are the specifications of the SQUARE D QOB330EPD?

The SQUARE D QOB330EPD is a 30 A, three-phase, bolt-on miniature circuit breaker with an AC voltage rating of 240V AC and a maximum AIR rating of 10kA at 240V AC. It is designed for use with QO Load Centers and NQ Panelboards.

Where to buy the SQUARE D QOB330EPD worldwide?

3G Electric supplies the SQUARE D QOB330EPD miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the SQUARE D QOB330EPD circuit breaker?

Install the SQUARE D QOB330EPD by bolting it into a compatible QO Load Center or NQ Panelboard. Ensure the panel is de-energized, torque terminals to manufacturer specifications, and verify phase and voltage ratings before energizing. Always follow local electrical codes.

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 qob series, bolt-on 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
SQUARE D Miniature Circuit Breaker: 30 A, 120/208V AC, Three Phase, 10kA at 208/120V AC, 3 Poles (MPN QOB330GFI)
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SQUARE D Miniature Circuit Breaker: 30 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QOB330)
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SQUARE D Miniature Circuit Breaker: 30 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QOB330)
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SQUARE D
SQUARE D Miniature Circuit Breaker: 30 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QOB230GFI)
SQUARE D Miniature Circuit Breaker: 30 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QOB230)
SQUARE D
SQUARE D Miniature Circuit Breaker: 30 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QOB230)

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