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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 | Q221100AC | Circuit Breaker | 100A | 2-Pole | 240V
| Amperes | 100 |
| Poles | 2 |
| Voltage | 240 |
| Product Type | Circuit Breaker |
Regular price
$510.00
Sale price
$510.00
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 | Q221100AC | Circuit Breaker | 100A | 2-Pole | 240V
Regular price
$510.00
Sale price
$510.00
Regular price
Unit price
Product description
Shipping
Introducing the Square D Q221100AC circuit breaker—an exact-fit protection device designed for 100A circuits in 240V systems. Built for maintenance, retrofit, and replacement projects, this two-pole breaker delivers reliable overcurrent protection when you need it most, matching the original specifications in compatible panels.
- Amperage: 100A
- Poles: 2-Pole
- Voltage: 240V
Why choose this exact part? The Q221100AC is the proven reference for compatibility with Square D panels and enclosures. Using the exact part number reduces guesswork, speeds up procurement, and helps maintain code-compliant protection for your electrical system. When you’re upgrading a panel, replacing a failed breaker, or balancing a retrofit, this model ensures consistent performance and a straightforward swap.
Who it's for: electricians handling panel refurbishments, facility managers upgrading electrical infrastructure, and homeowners restoring a legacy electrical system where the original 100A, 2-pole, 240V protection is required.
Use cases and benefits:
- Maintenance: replace a worn or tripped 100A/main feeder circuit without altering panel wiring.
- Retrofit: update older installations to current protection standards while preserving panel compatibility.
- Replacement: restore reliable, code-compliant overcurrent protection in 240V circuits quickly with an exact-match component.
To ensure a perfect fit, confirm the panel’s compatibility by referencing the part number Q221100AC and reviewing the panel’s ratings before ordering. This ensures you maintain proper protection levels and electrical safety across your system.
Installation note: rely on a licensed professional or refer to your panel’s manufacturer guidance when replacing breakers, and keep the original labeling for future maintenance checks. This Square D Q221100AC 100A, 2-pole, 240V breaker is designed to integrate smoothly into compatible Square D setups, delivering dependable performance where it matters most.
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
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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
