Square D QDA220901 90A 2P 240V Circuit Breaker | AmpState

Square D QDA220901 90A 2P 240V Circuit Breaker from AmpState delivers dependable, straightforward circuit protection for panelboards, load centers, and electrical distribution networks. The two-pole design protects both conductors of a 240V circuit, ensuring coordinated shutdown and reliable protection when faults occur.

This unit is specifically chosen for replacement projects and as a practical spare to keep your BOM aligned with the original part number. By stocking the exact QDA220901, you can swap in the correct component quickly, reducing downtime and maintaining system integrity without the guesswork.

Why this breaker stands apart

• Exact BOM-aligned replacement: preserves original equipment configuration and compatibility
• 90 A rating with 2-pole, 240V operation: robust protection for mid-to-high current circuits
• Versatile fit for panelboards, load centers, and broad electrical distribution applications
• Reliable sourcing through AmpState helps maintain readiness for service calls
• Part number fidelity: designed to match QDA220901 specifications for hassle-free procurement

Ideal use cases

• Replacement in existing installations where QDA220901 was originally specified
• Spare stock for maintenance fleets, speeding up corrective actions during outages
• Support for panel upgrades or recalibration when 240V circuits require renewed protection

Need compatibility confirmation?

Need help matching a part number or confirming fit with your panelboard or load center? Message us and we’ll help you verify compatibility to ensure seamless installation.

Available from AmpState—secure, reliable protection for your electrical distribution system with the Square D QDA220901.