SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
The SQUARE D QOU Series Miniature Circuit Breaker (SKU QOU1201021, MPN QOU1201021) is a 20 A, single-phase, unit-mount breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use…
SKU 3G-OTH-23365
Also listed as: QOU 1201021 · QOU-1201021
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 QOU Series Miniature Circuit Breaker (SKU QOU1201021, MPN QOU1201021) is a 20 A, single-phase, unit-mount breaker rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with air conditioning and refrigeration equipment, this 1-pole breaker provides overcurrent protection in a compact form factor.
Frequently Asked Questions
What is the SQUARE D QOU1201021 miniature circuit breaker used for?
The SQUARE D QOU1201021 is a 20 A, single-phase, 1-pole miniature circuit breaker designed for overcurrent protection in air conditioning and refrigeration equipment. It is rated for 120/240V AC with a 10kA interrupting rating at 120/240V AC, making it suitable for commercial and industrial HVAC applications.
What are the specifications of the SQUARE D QOU1201021 circuit breaker?
The SQUARE D QOU1201021 is a 20 A, single-phase, 1-pole miniature circuit breaker with an AC voltage rating of 120/240V AC and a maximum AIR rating of 10kA at 120/240V AC. It is part of the QOU Series, unit-mount design, and is intended for use with air conditioning and refrigeration equipment.
Where to buy the SQUARE D QOU1201021 circuit breaker worldwide?
3G Electric supplies the SQUARE D QOU1201021 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 SQUARE D QOU Series breaker.
How to install the SQUARE D QOU1201021 circuit breaker?
Install the SQUARE D QOU1201021 by ensuring the panel is de-energized, then snap the unit-mount breaker onto the DIN rail or panel mount. Connect line and load wires to the terminals per the wiring diagram, torque to manufacturer specifications, and verify the 20 A rating matches the circuit requirements.
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.
