Square D QGA221752 - 175 A, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D QGA221752 — a 175 A, 2-pole plug-in molded case circuit breaker designed to safeguard your panelboards and load centers with precision. Built for fast, reliable protection in demanding environments, this breaker is ready to install where you need dependable overcurrent and short-circuit control.

• Fast plug-in connection for quick installation and effortless replacement, minimizing downtime during service or upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection against overloads and short circuits, maintaining circuit integrity under varying load conditions.
• 2-pole design interrupts both hot legs, enhancing safety and ensuring comprehensive protection for multi-wire circuits.
• OEM-compatible engineered to fit matching Square D load centers and panelboards, ensuring proper alignment and reliable electrical performance.
• Versatile application suitable for residential, commercial, and light industrial systems where robust 175 A, 2-pole protection is required.

Technical specifications

• Manufacturer: Square D
• Part Number: QGA221752
• 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

Use cases and scenarios

Ideal for upgrading aging panelboards in residential basements, substations in small commercial spaces, or light industrial installations where high-current protection is essential. The plug-in design makes it straightforward to replace a worn breaker or to expand capacity as your electrical load grows, all while maintaining compatibility with Square D’s ecosystem of panelboards and OEM components.

Why choose this Square D breaker? It combines a proven 175 A rating with a plug-in, molded-case construction that supports rapid serviceability and consistent protection. By pairing with compatible load centers, you get predictable trip performance, simplified maintenance, and a safer, more reliable electrical distribution system. For anyone specifying or retrofitting panelboards, the QGA221752 delivers clarity of purpose and dependable protection—without guesswork.

Practical tips for optimal results: confirm your panel is designed for plug-in molded case breakers of the Square D family, verify the amperage rating matches your circuit needs, and adhere to all safety guidelines during installation. When in doubt, reference the panel’s labeling and your system’s load requirements to ensure seamless operation and longevity.