SQUARE D Miniature Circuit Breaker: 50 A, 120/240V AC, Three Phase, 10kA at 120/240V AC
The SQUARE D QOU350 is a 50 A, three-phase miniature circuit breaker from the QOU Series, rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. This unit-mount breaker is designed for use with…
SKU 3G-OTH-23234
Also listed as: QOU 350 · QOU-350
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 QOU350 is a 50 A, three-phase miniature circuit breaker from the QOU Series, rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. This unit-mount breaker is designed for use with heating applications and features three poles.
Frequently Asked Questions
What is the SQUARE D QOU350 miniature circuit breaker used for?
The SQUARE D QOU350 is a 50 A, three-phase miniature circuit breaker from the QOU Series, rated for 120/240V AC. It is designed for use with heating applications, providing overcurrent protection in unit-mount panels and load centers.
What are the specifications of the SQUARE D QOU350?
The SQUARE D QOU350 is a 3-pole, three-phase breaker rated 50 A at 120/240V AC, with a maximum AIR rating of 10kA at 120/240V AC. It is part of the QOU Series and intended for heating applications. The manufacturer part number is QOU350.
Where to buy the SQUARE D QOU350 circuit breaker worldwide?
3G Electric supplies the SQUARE D QOU350 miniature circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this unit-mount breaker.
How to select the right SQUARE D QOU series breaker for heating?
To select the right SQUARE D QOU series breaker for heating, match the voltage (120/240V AC), current rating (e.g., 50 A), and phase (three-phase) to your load. Ensure the breaker's interrupting rating (10kA) exceeds available fault current. Consult a licensed electrician for code compliance.
Used in
Common applications for SQUARE DSQUARE 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.
