SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
The SQUARE D QOU Series Unit-Mount Miniature Circuit Breaker (MPN QOU120HM) is a single-phase, 20 A device rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with heating…
SKU 3G-OTH-23005
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 Unit-Mount Miniature Circuit Breaker (MPN QOU120HM) is a single-phase, 20 A device rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with heating applications, this 1-pole breaker is part of the QOU Series from SQUARE D.
Frequently Asked Questions
What is the SQUARE D QOU120HM miniature circuit breaker used for?
The SQUARE D QOU120HM is a 1-pole miniature circuit breaker rated 20 A at 120/240V AC, designed for heating applications. It provides overcurrent protection in single-phase residential or light commercial heating circuits, with a 10kA interrupting rating at 120/240V AC.
What are the specifications of the SQUARE D QOU120HM circuit breaker?
The SQUARE D QOU120HM is a single-phase, 1-pole miniature circuit breaker rated 20 A at 120/240V AC. It has a maximum AIR rating of 10kA at 120/240V AC and is part of the QOU Series. It is intended for use with heating equipment.
Where to buy SQUARE D QOU120HM circuit breakers worldwide?
3G Electric supplies the SQUARE D QOU120HM miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this QOU Series breaker for your heating application.
How to install the SQUARE D QOU120HM circuit breaker?
To install the SQUARE D QOU120HM, ensure the panel is de-energized. Snap the 1-pole breaker onto the DIN rail or unit-mount bus, then connect the line and load conductors to the terminals, torquing to manufacturer specifications. Verify the 20 A rating matches the circuit requirements before energizing.
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.
