Square D JJA262501 - 250 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D JJA262501—a robust 250A, 600V, 2-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit protection for panelboards and load centers. Built to perform in demanding environments, it provides fast installation, precise protection, and seamless compatibility with your existing Square D or OEM panel systems.

• Fast plug-in connection — streamlined installation and effortless replacement, minimizing panel downtime during maintenance or upgrades.
• Thermal-magnetic trip unit — combines accurate thermal overload protection with immediate magnetic trip on short circuits, delivering stable, repeatable protection across varying loads.
• 2-pole, 250A, 600V rating — ideal for high-current feeder applications and 240/480V-type systems common in commercial and light industrial settings; two-pole design ensures simultaneous disconnection of both conductors in typical 240V circuits.
• OEM-compatible with matching load centers and panelboards — guarantees a proper fit and preserves panel performance, simplifying procurement, stocking, and future maintenance.
• Plug-in mounting style — designed for quick, secure seating into compatible panels, reducing install time and field wiring complexity.
• Versatile application — suitable for residential, commercial, and light-industrial environments requiring reliable overcurrent and short-circuit protection on high-current circuits.

Specifications at a glance

• Manufacturer: Square D
• Part Number: JJA262501
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 250A
• Voltage: 600V
• Poles: 2
• Mounting: Plug-in

Who should consider this breaker? electrical professionals, facilities managers, and systems integrators responsible for protecting high-current branch circuits in panelboards and load centers. If you’re upgrading an existing Square D installation or deploying new commercial or light-industrial panels, the JJA262501 offers a reliable, plug-in solution that pairs with compatible OEM equipment to maintain system performance and compatibility.

Practical tips for optimal performance: ensure panel compatibility with the plug-in design, verify the panel’s voltage and bus configuration match 600V and the two-pole layout, and follow all safety and local electrical codes during installation. With its fast plug-in connection, durable thermal-magnetic protection, and OEM-aligned compatibility, this breaker helps keep your electrical distribution dependable and easy to service.