Square D QDA221752 - 175 A, 2-Pole Plug-In Circuit Breaker | AmpState

The Square D QDA221752 is a 175 A, 2-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit protection against overcurrent and short circuits. Engineered for quick installations in panelboards and load centers, this unit keeps electrical systems safer and more reliable with minimal downtime.

Key benefits and why it matters

• Rapid plug-in connection for fast installation and easy replacement, reducing service time on busy job sites and service panels.
• Thermal-magnetic trip unit provides stable, repeatable protection by responding appropriately to both sustained overloads and instantaneous short-circuit events.
• OEM-compatible design matches with corresponding Square D load centers and panelboards, ensuring a seamless fit and reliable performance.
• Versatile applications suitable for residential, commercial, and light industrial electrical distribution needs, delivering consistent protection across diverse environments.

What makes this unit unique

Unlike generic breakers, the QDA221752 combines a 175 A rating with a 2-pole configuration in a plug-in molded case design. This pairing is ideal when you need robust, local protection for larger branch circuits and two-hot-conductor applications while preserving ease of service and replacement in existing panel infrastructure.

Ideal use scenarios

• Panelboards and load centers in residential service rooms that feed high-demand circuits like HVAC, water heating, or electric vehicle charging.
• Commercial distribution panels requiring reliable protection for office suites, lighting, and mechanical equipment feeders.
• Light industrial panels where steady, predictable protection helps minimize nuisance trips and maintenance downtime.

Technical specifications at a glance

• Manufacturer: Square D
• Part Number: QDA221752
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 175 A
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Practical tips for best results

• Verify compatibility with your specific Square D OEM load center or panelboard before installation to ensure optimal performance.
• Follow proper lockout/tagout procedures and use the correct tooling to secure the plug-in breaker in place for reliable contact and quick replacement in the future.
• Pair with correctly rated feeders and conductors to maintain safe, code-compliant protection for your distribution system.

Choose the Square D QDA221752 for a dependable, plug-in solution that pairs robust 175 A protection with the convenience of rapid installation and OEM compatibility. Ideal for AmpState customers seeking real-world reliability, straightforward service, and protection you can trust across residential, commercial, and light industrial setups.