Square D | QO350SWN | Circuit Breaker | 50A | 3-Pole | 240V | 10kA | Plug-In

Meet the Square D QO350SWN: a purpose-built, plug-in circuit breaker engineered for reliable protection in 240V systems. With 50A capacity, 3-Pole configuration, and a 10kA interrupting rating, this breaker is ready to safeguard demanding motor loads, HVAC circuits, and other higher-current equipment in QO-style panels.

Why it matters

• Plug-In convenience: Quick swap within compatible Square D QO panels, minimizing downtime and simplifying maintenance or retrofit projects.
• Precise compatibility: The QO350SWN part number is the best reference for matching fits—always confirm fit and ratings before ordering.
• Structured protection: A solid 50A rating paired with a 10kA interrupting capability provides robust defense against overloads and short circuits in 240V circuits.

Key specifications at a glance

• Amperage: 50A
• Poles: 3‑Pole
• Voltage: 240V
• Interrupting rating: 10kA
• Style: Plug-In
• Part number: QO350SWN

Ideal use cases

• Replacing aging or failed 50A 3-pole breakers in Square D QO panels during routine maintenance or after load-center retrofits.
• Retrofit projects where a precise 3-pole, 240V protection solution is required for motor circuits or 3‑phase equipment in mid-size installations.
• New installations within compatible QO load centers where a plug-in, code-compliant breaker is preferred for fast, reliable protection.

Practical considerations and tips

• Before purchasing, verify that your panel accepts QO plug-in breakers and that the QO350SWN aligns with your current configuration.
• Use this breaker to protect circuits that demand stable 50A protection with clear fault clearing at high interrupting capacities, reducing potential damage to wiring and equipment.
• Keep the exact part number handy during ordering—it’s the most reliable reference for compatibility and future replacements.

Designed for professionals who demand dependable protection with straightforward installation, the Square D QO350SWN is a practical, precise choice for 50A, 3-pole, 240V circuits in compatible QO panels. It delivers the protection you need with the efficiency you want in maintenance, retrofit, or replacement projects.