Square D | QDA221001 | Circuit Breaker | 2-Pole | 240V

Meet the Square D QDA221001 Circuit Breaker — a dependable 2-pole, 240V protection solution crafted for maintenance, retrofit, and replacement projects where exact spec matching matters. Built to integrate seamlessly with compatible Square D panels, this breaker helps you restore reliable power distribution with confidence.

Key details

• Poles: 2-Pole
• Voltage: 240V
• Part number: QDA221001
• Brand alignment: Square D — trusted name in electrical protection
• Fit guidance: Confirm fit and ratings before ordering; part number is the best reference for compatibility

Why this Square D breaker stands out

This QDA221001 is designed for precise replacement needs where matching specifications is critical. By sticking to the exact part number, you minimize guesswork and ensure your panel maintains its intended protection profile. Its 2-pole 240V configuration makes it ideal for circuits that require simultaneous disconnection of both hot legs, delivering reliable shutdown and reset behavior for demanding 240V loads.

Ideal use cases

• Maintenance replacements when a 2-pole 240V breaker in your panel has failed
• Retrofit or upgrades in panels that require QDA-series (or equivalent 2-pole 240V) protection
• Stocking a ready-to-use spare for residential or light commercial service calls

Compatibility and purchasing tips

To ensure a smooth swap, rely on the part number QDA221001 as your primary compatibility reference. Always verify the following before purchasing:

• The panel requires a 2-Pole, 240V breaker
• The panel’s labeling indicates compatibility with the QDA-series or the QDA221001 part reference
• The ratings align with the circuits you intend to protect (maintain the same trip characteristics and amperage if applicable)

With the QDA221001 in hand, you’ll have a dependable, brand-consistent option for restoring 240V circuit protection, backed by Square D’s reputation for durable electrical protection components. This is the practical choice for technicians and homeowners who value precise compatibility, straightforward replacement, and quick, confident service outcomes.