Square D QGL22175 - 175 A, 2-Pole Circuit Breaker | AmpState

Meet the Square D QGL22175 — a robust 175A, 2-pole molded case circuit breaker built to safeguard your electrical system with precision. Engineered for dependable branch circuit overcurrent and short-circuit protection, this unit is a reliable choice for panelboards and loadcenters in residential, commercial, and light industrial settings.

Key Features

• Compact molded case design maximizes panel space, making it easier to organize circuits without compromising protection.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance, reducing nuisance trips and ensuring predictable operation under varying load conditions.
• 2-pole configuration provides comprehensive protection for both hot conductors, helping to prevent arc faults and keep adjacent circuits safe.
• OEM-compatible designed to work with matching Square D OEM loadcenters and panelboards for straightforward replacement and reliable integration.
• Versatile applications suitable for residential, commercial, and light industrial electrical systems that demand solid, long-term protection.

Why this 2-Pole QGL22175 is the smart choice

Choosing a dedicated 175A, 2-pole molded case circuit breaker like the QGL22175 means prioritizing both safety and efficiency. The molded case design not only saves panel real estate but also contributes to easier installation and maintenance in constrained electrical spaces. The thermal-magnetic trip unit combines rapid response with controlled tripping behavior, helping protect wiring and equipment from overcurrent events while reducing unnecessary interruptions.

Compatibility and Applications

• Panelboard and loadcenter compatibility: works with matching OEM Square D panelboards and loadcenters, ensuring a seamless fit and dependable performance.
• Residential use: ideal for protecting branch circuits distributing lighting, receptacles, and small appliances within homes.
• Commercial and light industrial use: suitable for circuits feeding HVAC, motors, and lighting in small to mid-size facilities where reliable protection is essential.
• Overcurrent and short-circuit protection: designed to interrupt fault currents safely, minimizing damage to conductors and downstream equipment.

Technical Highlights

• Manufacturer: Square D
• Part Number: QGL22175
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 175A
• Number of Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Practical Use Cases and Tips

Use the Square D QGL22175 to protect essential branch circuits in a home or small commercial setup. It’s especially effective for circuits that experience a mix of steady loads and short-term surges, where a reliable thermal-magnetic trip can prevent nuisance tripping while still offering robust protection against faults.

• When retrofitting or upgrading, verify compatibility with your existing panelboard or loadcenter to ensure a smooth replacement process.
• Assign a dedicated circuit to high-draw equipment (such as HVAC or motors) and use the 2-pole design to guard both hot lines together, reducing the risk of parallel faults.
• Keep a spare QGL22175 on hand for timely maintenance and minimal downtime in occupied spaces.

With the Square D QGL22175, you’re choosing a time-tested protection solution that aligns with real-world electrical demands. Its combination of space-efficient design, dependable thermal-magnetic protection, and OEM compatibility makes it a practical, reliable choice for safeguarding your electrical infrastructure. Trust AmpState to provide authentic Square D components that perform where it matters most—in your panels, on your terms.