SQUARE D Miniature Circuit Breaker: 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
The SQUARE D QOU125 is a 25 A, single-phase, unit-mount miniature circuit breaker from the QOU Series, rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with heating…
SKU 3G-OTH-23078
Also listed as: QOU 125 · QOU-125
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
Need installation or engineering help?
Ask a question
Product Description
The SQUARE D QOU125 is a 25 A, single-phase, unit-mount miniature circuit breaker from the QOU Series, 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 provides overcurrent protection in industrial equipment.
Frequently Asked Questions
What is the SQUARE D QOU125 miniature circuit breaker used for?
The SQUARE D QOU125 provides overcurrent protection in industrial heating equipment and other single-phase loads. As a 25 A, 1-pole breaker rated for 120/240V AC with a 10kA interrupting capacity, it safeguards branch circuits in panelboards and unit-mount applications across manufacturing and process industries.
What are the specifications of the SQUARE D QOU125 circuit breaker?
The SQUARE D QOU125 is a 25 A, single-phase, 1-pole miniature circuit breaker rated for 120/240V AC. Its maximum AIR rating is 10kA at 120/240V AC. It is part of the QOU Series and designed for use with heating applications. The manufacturer part number is QOU125.
Where to buy the SQUARE D QOU125 circuit breaker worldwide?
3G Electric supplies the SQUARE D QOU125 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 25 A, 1-pole breaker from the QOU Series.
How to install the SQUARE D QOU125 circuit breaker?
Install the SQUARE D QOU125 by mounting it onto a compatible DIN rail or panelboard bus, ensuring the breaker is in the OFF position. Connect line and load conductors to the terminal screws, torquing to manufacturer specifications. Verify the 120/240V AC supply is de-energized before installation. Always follow local electrical codes.
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.
