Square D | QO240SWN | Circuit Breaker | 2-Pole | 240V | Plug-In

Square D QO240SWN 2-Pole 240V Plug-In Circuit Breaker is the reliable protection you need for 240V circuits in compatible Square D QO panels. Designed for maintenance, retrofit, and replacement projects, this plug-in breaker snaps into place without rewiring, delivering a fast, hassle-free upgrade when your panel needs an exact-fit component.

Key compatibility and fit notes

• 2-Pole, 240V capacity for two hot legs powering a 240V circuit.
• Plug-in design engineered for quick installation into Square D QO panels with compatible bus stabs.
• Part number QO240SWN is the best reference for compatibility—always verify against your panel labeling and the manufacturer’s ratings before ordering.
• Ideal for maintenance, retrofit, and replacement when matching specs are required.

Why this matters for your electrical setup

• Exact-fit compatibility ensures proper mechanical engagement, secure mounting, and reliable electrical contact within the QO panel family.
• Using the official QO240SWN part helps maintain consistent performance and reduces the risk of compatibility issues that can arise with non-OEM substitutes.
• The plug-in format minimizes downtime—swap in a matching breaker and restore circuit protection without extensive panel work.

Use cases and ideal applications

• Replacing a failed or worn 240V two-pole breaker in residential or light commercial Square D panels.
• Retrofit projects where 240V circuits (such as heating elements, air conditioning units, water heaters, or large appliances) require a dependable, exact-fit protection device.
• New installations that use a Square D QO-series panel and require a 2-pole 240V plug-in solution with verified compatibility.

Practical guidance for installation and optimal performance

• Before ordering or installing, confirm fit and ratings match your panel’s specifications and the circuit requirements.
• Turn off the main power and verify there is no voltage on the circuit you’re servicing before removing or installing the breaker.
• Inspect the panel labeling to ensure the QO-series plug-in breakers are supported; seat the breaker firmly into the bus stabs and close the panel cover securely.
• Use the QO240SWN specifically when the panel documentation or labeling identifies this part as the correct replacement for your 240V, 2-pole circuit.

What makes this Square D part stand out

• Official Square D component designed for the QO family, promoting seamless compatibility and consistent performance.
• Plug-in convenience minimizes service time and avoids the need for panel rewiring or extensive modifications.
• Clear reference point for compatibility—the QO240SWN part number helps you source the exact item you need and reduces guesswork in retrofit projects.

In short, the Square D QO240SWN 2-Pole 240V Plug-In Circuit Breaker is a precise, dependable solution for maintaining, upgrading, or replacing 240V circuits in QO-series panels. When you need an exact-fit replacement that aligns with your panel’s design and ratings, this part delivers the trustworthy protection you expect from Square D.