Square D QDA222251 225A 2P 240V Circuit Breaker | AmpState

Square D QDA222251 is a rugged 225 A, 2-pole, 240 V circuit breaker crafted for reliable protection in panelboards, load centers, and electrical distribution networks. Designed to stand up to demanding commercial and industrial environments, this Square D device helps safeguard circuits from overloads while keeping maintenance planning simple and predictable.

Specifications at a glance

• Manufacturer: Square D
• Part Number: QDA222251
• Product Type: Circuit Breaker
• Amperage: 225 A
• Poles: 2
• Voltage: 240 V
• Applications: panelboards, load centers, electrical distribution

This breaker is particularly valuable for retrofit work and ongoing maintenance where keeping the exact part number helps preserve compatibility across existing equipment. If your installation relies on the QDA series, this unit ensures a seamless fit with your current Square D panel components, minimizing surprises during replacement and reducing downtime.

Why choose the QDA222251 for your system

• Support for heavy-load feeders: 225 A capacity makes it suitable for protecting large branch or feeder circuits within panelboards and distribution equipment.
• Reliable 2-pole, 240 V design: Ensures simultaneous disconnection of both hot conductors, enhancing safety and code compliance in dual-line systems.
• Consistent compatibility: Part of the familiar QDA family, aiding straightforward retrofits and long-term maintenance without mismatched components.

Ideal use cases

• Replacing a failed or outdated breaker in commercial or industrial panelboards where the QDA226 family is already in use.
• Retrofit projects that require keeping the same part number to avoid wiring changes or panel modifications.
• Stocking a reliable 225 A, 2P, 240 V solution for service trucks and preventive maintenance runs.

How this aligns with your reliability goals

Choosing the QDA222251 supports predictable maintenance planning, streamlined part sourcing, and consistent protection across your distribution network. Its robust construction and clear ratings help technicians quickly verify suitability and reduce commissioning time after replacement.

Available from AmpState. If you need help matching a part number or confirming compatibility with your specific panel or distribution setup, send us a message and we’ll help verify the fit.