Square D | Q221150AB | Circuit Breaker | 2-Pole

Square D Q221150AB 2-Pole Circuit Breaker is a meticulously engineered solution designed for maintenance, retrofit, and replacement projects where exact specifications matter. This 2-pole breaker provides reliable protection for two hot legs, making it ideal for 240V circuits in compatible Square D panels.

• Exact part reference: Q221150AB is the definitive compatibility anchor—use this part number to confirm fit with your panel and documentation.
• Two-pole protection: Designed to interrupt both hot conductors simultaneously, ensuring safe, balanced protection for dual-channel circuits.
• Versatile application: Perfect for maintenance, retrofit, or replacement, helping you restore performance without compromising panel standards.
• Critical compatibility reminder: Always confirm fit and ratings before ordering—the part number remains your best reference for panel compatibility.
• Trusted brand assurance: Square D breakers are built to align with the company’s line of panels and accessories, supporting consistent electrical performance over time.

This breaker is especially valuable when upgrading older panels, replacing a failed device in a service panel, or expanding 240V circuit capacity. It slots into Square D enclosures that specify Q-series compatibility, providing dependable protection and straightforward installation within a well-matched electrical system.

Key details to keep in mind: Poles: 2-Pole. Part number: Q221150AB. When you’re selecting replacements, rely on the part number as your primary compatibility reference to maintain safe, code-compliant operation.