Square D QO250EPD - 50 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

Square D QO250EPD is a 50A, 240V, 2-pole plug-in molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its plug-in design ensures a clean, secure connection that speeds installation and simplifies replacements, making it a reliable choice for both upgrades and new builds.

Key features that matter in the field:

• Fast plug-in connection — quick installation and effortless replacement without major panel disassembly.
• Thermal-magnetic trip unit — offers stable, repeatable protection performance, responding predictably to overcurrent and short-circuit conditions.
• OEM compatibility — designed to fit with matching Square D QO load centers and panelboards for a seamless, reliable fit.
• 2-pole, 50A at 240V — ideal for 240V circuits that power essential equipment and higher-demand branch circuits.
• Versatile applications — well-suited for residential settings, small commercial spaces, and light industrial environments where solid panel-level protection is essential.
• Molded-case construction — sturdy housing that supports durable performance in typical service conditions.

Technical snapshot

• Manufacturer: Square D
• Part number: QO250EPD
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 50A
• Voltage rating: 240V
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Practical guidance for selecting and using this breaker: ensure your panelboard accepts QO-series plug-in breakers and that the 2-pole, 240V configuration aligns with the circuit you’re protecting. For projects requiring reliable, quick-access protection on 50A branches, the QO250EPD delivers precise trip behavior and straightforward maintenance—helping you keep critical circuits safe and uninterrupted.