Square D | QBA221752 | Circuit Breaker | 175A | 2-Pole

Meet the Square D QBA221752 Circuit Breaker — a purpose-built, two-pole protection device engineered for reliable performance in compatible Square D panels. With a 175A rating, this breaker is designed for demanding circuits and higher-load applications, delivering dependable overcurrent protection when you need it most.

Why this exact part matters
The QBA221752 is the precise reference for compatibility with Square D systems. Using the correct part number is the simplest way to ensure the breaker's form, fit, and electrical characteristics align with your panel. Before ordering, always verify fit and ratings on your panel label or service manual; the part number is the strongest indicator of a correct match.

Key specifications

• Amperage: 175A
• Poles: 2-Pole
• Part number: QBA221752
• Intended use: maintenance, retrofit, and replacement in compatible Square D panels

Who this is for

• Facilities managers and electricians performing panel maintenance or upgrades who need a precise, drop-in replacement
• Installers retrofitting equipment or expanding service capacity in panels that accept 175A, two-pole breakers
• Anyone restoring a control or power distribution system where a matching Square D 2-pole breaker is required

Practical use cases

• Replacing a failed two-pole 175A breaker in a commercial or industrial panel to restore full protection with minimal downtime
• Retrofit projects where existing circuits demand higher protection or where the panel spec calls for a 2-pole 175A device
• Maintenance cycles in facilities that rely on predictable, Square D-compatible components for service continuity

Installation and compatibility tips

• Always confirm fit and ratings on the panel labeling before purchasing. The QBA221752 part number is your most reliable reference for compatibility.
• Verify that your panel accepts a 2-pole, 175A device and that the breaker’s mounting and electrical characteristics match your system requirements.
• Follow standard safe-installation practices: de-energize the panel, use proper tools, and torque terminal connections per the panel manufacturer’s guidelines and local electrical codes.

Designed to integrate smoothly into Square D electrical systems, this 175A, 2-pole breaker provides robust protection for 240V circuits and linked loads. If you’re maintaining, retrofitting, or replacing in a supported panel, the QBA221752 offers a reliable, exact-match solution that helps keep electrical systems safe and compliant.