Square D QDA222252 - 225 A, 2-Pole Plug-In Circuit Breaker | AmpState

The Square D QDA222252 is a 225A, 2-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection right where you need it—in panelboards and load centers. Built for fast swaps and reliable protection, this unit keeps critical electrical systems up and running with minimal downtime.

• Fast plug-in connection enables quick installation and effortless replacement, reducing service time during upgrades or maintenance.
• Thermal-magnetic trip unit provides stable, repeatable protection for both overloads and short circuits, helping to prevent nuisance trips and equipment damage.
• OEM-compatible design engineered to fit with matching Square D load centers and panelboards for seamless integration and reliable performance.
• Versatile application suitable for residential, commercial, and light industrial electrical protection needs where robust, plug-in protection is required.

Technical specifications

• Manufacturer: Square D
• Part Number: QDA222252
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 225A
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker stands out

Within electrical panels, the right plug-in breaker makes a tangible difference in uptime and safety. The QDA222252’s plug-in design minimizes installation effort, while the thermal-magnetic trip mechanism delivers precise, predictable protection—shrinking the risk of unexpected outages and equipment damage. Its compatibility with Square D OEM panelboards means fewer compatibility concerns during replacements or panel upgrades, preserving system integrity and warranty alignment.

Ideal use cases

• Feeder protection for commercial lighting and receptacle circuits in mid-size facilities
• Main or sub-feed protection for equipment rooms where a robust 225A, two-pole solution is required
• Replacement for aging or failed breakers in compatible Square D load centers and panelboards

Practical tips

When installing or replacing, verify that the panelboard is designed for plug-in molded case breakers of this rating and type. Maintain consistent two-pole protection for circuits sharing a common neutral where applicable, and keep a spare QDA222252 on hand for quick, code-compliant replacements to minimize downtime.