Square D QJA222001 200A 2P 240V Circuit Breaker, Plug-On | AmpState

Meet the Square D QJA222001 200A 2P 240V Plug-On Circuit Breaker — a reliable protection device engineered for panelboards, load centers, and electrical distribution. Its plug-on design streamlines retrofit work and maintenance planning, especially when you need to preserve a consistent part number for service and stocking.

What it does

This 2-pole circuit breaker provides centralized overcurrent protection for 240V circuits, ensuring that both hot legs are interrupted together in the event of a fault. Designed for quick installation, it plugs directly onto compatible bus connections, simplifying replacements during upgrades or routine service.

Key specifications

• Manufacturer: Square D
• Part Number: QJA222001
• Product Type: Circuit Breaker
• Amperage: 200 A
• Poles: 2
• Voltage: 240V
• Mounting: Plug-On

Ideal use scenarios

Great for facility maintenance teams, electrical contractors, and building managers focusing on reliability and consistency. Use it where you need substantial 200A protection in panelboards or load centers and where keeping the same part number simplifies ordering and service planning. It’s particularly advantageous for retrofit projects, new installations, or any upgrade where downtime must be minimized and compatibility kept intact.

Why choose this model

• Plug-On simplicity reduces installation time and aligns with existing Square D infrastructure.
• 2-pole design ensures simultaneous disconnection of both conductors, maintaining balanced protection across the circuit.
• Clear compatibility with panelboards and distribution setups that require a 200 A, 240V solution from Square D.
• Support from AmpState — we can help confirm fit and compatibility to keep your project on track.

Available from AmpState. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.