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Solid quality component. Exactly as described on the product page.
Maintenance team · Ontario
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Circuit Breaker
Square D | Q221125AC | Circuit Breaker | 125A | 2-Pole | 240V
| Part Number | Q221125AC |
| Amperes | 125 |
| Poles | 2 |
| Voltage | 240 |
| Product Type | Circuit Breaker |
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Square D | Q221125AC | Circuit Breaker | 125A | 2-Pole | 240V
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
Product description
Shipping
The Square D Q221125AC circuit breaker delivers OEM-grade protection for 240V electrical systems with a reliable 125A, 2-pole design. Built to meet the exacting standards of Square D panels, this device ensures consistent performance and safe interruption of overcurrent conditions across both hot legs of a 240V circuit.
- Amperage: 125A
- Poles: 2-Pole
- Voltage: 240V
- Part number: Q221125AC
Why choose the Square D Q221125AC over generic alternatives? Its OEM design means tighter dimensional tolerances, tested trip characteristics, and seamless fitment in compatible Square D panels. The result is reliable protection, straightforward installation, and fewer compatibility concerns during maintenance or retrofit projects.
This circuit breaker is ideal for:
- Maintenance and service upgrades in residential or commercial panels
- Retrofits where existing equipment requires a precise 125A, 2-pole, 240V device
- Replacement of worn or failing breakers to restore safe overcurrent protection
How to confirm compatibility: Use the part number Q221125AC as your best reference. Note: confirm fit and ratings before ordering to ensure it matches your panel’s specifications.
Practical tips for installation and use:
- Before work begins, switch off the main disconnect and follow lockout/tagout procedures.
- Check panel label to verify that a 125A, 2-pole, 240V device is appropriate for the circuit you’re protecting.
- Inspect the breaker mounting and bus connection for cleanliness and secure fit to prevent intermittent tripping or poor contact.
- Store spares in a labeled container with the same part number to simplify future replacements and minimize downtime.
With the Square D Q221125AC, you’re choosing proven reliability, precise compatibility, and straightforward protection for your 240V circuits. Whether you’re performing routine maintenance, upgrading an old panel, or replacing a failed breaker, this OEM-rated solution helps you keep electrical systems safe and compliant.
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
Verified
Packaging was secure and the item arrived clean and ready for installation.
Electrical contractor · GTA
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We’ve used this type on multiple jobs and it’s been reliable so far.
Panel shop · Canada/US
