SQUARE D Miniature Circuit Breaker: 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
The SQUARE D QO Series Miniature Circuit Breaker (MPN QO2251021) is a 25 A, single-phase, plug-in unit rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. This 2-pole breaker is designed for use…
SKU 3G-OTH-21664
Also listed as: QO 2251021 · QO-2251021
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 QO2251021) is a 25 A, single-phase, plug-in unit rated for 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. This 2-pole breaker is designed for use with QO Load Centers and NQ Panelboards.
Frequently Asked Questions
What is the SQUARE D QO2251021 miniature circuit breaker used for?
The SQUARE D QO2251021 is a 25 A, 2-pole miniature circuit breaker used for overcurrent protection in residential and commercial single-phase electrical systems. It is designed for plug-in installation in QO Load Centers and NQ Panelboards, providing reliable branch circuit protection at 120/240V AC.
What are the specifications of the SQUARE D QO2251021 circuit breaker?
The SQUARE D QO2251021 is a 25 A, single-phase, 2-pole miniature circuit breaker rated for 120/240V AC. It has a maximum AIR rating of 10kA at 120/240V AC and is designed for use with QO Load Centers and NQ Panelboards. The manufacturer part number is QO2251021.
Where to buy the SQUARE D QO2251021 circuit breaker worldwide?
3G Electric supplies the SQUARE D QO2251021 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 QO series breaker.
How to install the SQUARE D QO2251021 circuit breaker?
To install the SQUARE D QO2251021, ensure the panel is de-energized. Align the breaker's plug-in base with the bus bar in a QO Load Center or NQ Panelboard, then press firmly until it snaps into place. Verify the breaker is fully seated and the handle is in the OFF position before energizing.
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.
