Square D JJA34250WU31X Circuit Breaker, 250A, 3-Pole, 480V

The Square D JJA34250WU31X Circuit Breaker is built for demanding industrial electrical service, maintenance, and replacement projects. With a 250 A rating and a 3-pole design for 480 V systems, this unit delivers reliable, three‑phase protection for high‑demand equipment and distribution feeders in manufacturing floors, facilities, and heavy industry settings.

• Part number: JJA34250WU31X
• Manufacturer: Square D
• Product type: Circuit Breaker
• Amperage: 250 A
• Poles: 3
• Voltage rating: 480 V

Designed for industrial environments, this 3‑pole breaker protects three‑phase feeders and critical equipment from overloads and faults, helping minimize downtime and equipment damage. The 480 V rating makes it compatible with common industrial power distribution schemes, while the 250 A capacity accommodates substantial motor loads and high‑demand circuits without frequent tripping during normal startup surges.

Fit and compatibility are key. Use the exact part number to confirm fit with your panelboard, bus arrangement, and application requirements. If you’re unsure about compatibility, reach out with your system details and we’ll guide you through verifying the correct match for your installation.

Why this specific unit matters for your project

• Consolidated three‑phase protection in a single device simplifies wiring and panel layout in large facilities.
• High‑current capability (250 A) supports substantial motor loads and feeder circuits, reducing nuisance trips under typical startup conditions.
• Optimized for 480 V industrial environments, aligning with standard distribution practices in factories, processing plants, and data‑center infrastructure.

Ideal use cases

• Protecting large motors and heavy machinery on manufacturing lines and processing equipment.
• Feeder protection for 3‑phase distribution panels in warehouses, plants, and facilities with 480 V systems.
• Replacement part in aging electrical infrastructure where JJA34250WU31X is specified for compatibility.

This description reflects the exact part details and intended applications for the Square D JJA34250WU31X Circuit Breaker. For precise compatibility, verify the fit by part number and application requirements, and contact us if you need help confirming the right match for your installation.