SQUARE D Miniature Circuit Breaker: 30 A, 120/240V AC, Three Phase, 10kA at 120/240V AC
The SQUARE D QO Series Miniature Circuit Breaker (MPN QO330) is a three-phase, 30 A, plug-in circuit breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with QO Load…
SKU 3G-OTH-21792
Also listed as: QO 330 · QO-330
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The SQUARE D QO Series Miniature Circuit Breaker (MPN QO330) is a three-phase, 30 A, plug-in circuit breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with QO Load Centers and NQ Panelboards, this three-pole breaker provides overcurrent protection in commercial and industrial electrical distribution systems.
Frequently Asked Questions
What is the SQUARE D QO330 miniature circuit breaker used for?
The SQUARE D QO330 provides overcurrent protection in commercial and industrial electrical distribution systems. It is designed for use with QO Load Centers and NQ Panelboards, protecting three-phase circuits rated at 30 A and 120/240V AC.
What are the specifications of the SQUARE D QO330 circuit breaker?
The SQUARE D QO330 is a three-pole, three-phase miniature circuit breaker rated at 30 A and 120/240V AC. It has a maximum AIR rating of 10kA at 120/240V AC and is a plug-in QO Series device for use with QO Load Centers and NQ Panelboards.
Where to buy the SQUARE D QO330 circuit breaker worldwide?
3G Electric supplies the SQUARE D QO330 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 QO330 circuit breaker?
Install the SQUARE D QO330 by plugging it into a compatible QO Load Center or NQ Panelboard. Ensure the panel is de-energized, then align the breaker's plug-in tabs with the bus bar and press firmly until seated. Follow all local electrical codes and manufacturer instructions.
Used in
Common applications for SQUARE DSQUARE 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.
