SQUARE D QOU21251021 Miniature Circuit Breaker, 125 A, 2-Pole, 120/240V AC, 10kA
The SQUARE D QOU Series Miniature Circuit Breaker (SKU 3G-OTH-22911) is a unit-mount, single-phase, 2-pole breaker rated for 125 A at 120/240V AC. It has a maximum AIR rating of 10kA at 120/240V AC and is designed…
SKU 3G-OTH-22911
Also listed as: QOU 21251021 · QOU-21251021
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SQUARE D QOU Series Miniature Circuit Breaker (SKU 3G-OTH-22911) is a unit-mount, single-phase, 2-pole breaker rated for 125 A at 120/240V AC. It has a maximum AIR rating of 10kA at 120/240V AC and is designed for use with air conditioning and refrigeration equipment.
Frequently Asked Questions
What is the SQUARE D QOU21251021 miniature circuit breaker used for?
The SQUARE D QOU21251021 is a 2-pole, 125 A miniature circuit breaker designed for air conditioning and refrigeration equipment. It provides overcurrent protection in single-phase, 120/240V AC systems and is suitable for unit-mount applications in commercial or industrial HVAC installations.
What are the specifications of the SQUARE D QOU21251021 circuit breaker?
The SQUARE D QOU21251021 is a QOU Series unit-mount breaker rated 125 A at 120/240V AC, single phase, 2 poles. It has a maximum AIR rating of 10kA at 120/240V AC and is intended for use with air conditioning and refrigeration equipment. The manufacturer part number is QOU21251021.
Where to buy the SQUARE D QOU21251021 circuit breaker worldwide?
3G Electric supplies the SQUARE D QOU21251021 miniature circuit breaker worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this QOU Series breaker.
How to select the right SQUARE D QOU series breaker for HVAC equipment?
Select a SQUARE D QOU series breaker by matching the voltage (120/240V AC), current rating (125 A), pole count (2), and interrupting capacity (10kA) to your HVAC equipment's nameplate. Ensure the breaker is listed for use with air conditioning and refrigeration systems, as the QOU21251021 is.
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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.
