Square D LJL36250U31X 250A 3-Pole 600 V Circuit Breaker

Square D LJL36250U31X is a high-capacity circuit breaker built for demanding three-phase power systems. With a 250 A current rating, a 3-pole configuration, and a 600 V maximum voltage, this genuine Square D device delivers reliable overcurrent protection for industrial and commercial installations.

• Current rating: 250 A
• Poles: 3
• Voltage rating: 600 V
• Part number: LJL36250U31X
• Brand: Square D

What it does: this 3-pole breaker protects three-phase feeders by interrupting current during overloads or short-circuit events. The design ensures coordinated protection across all three hot conductors, helping prevent equipment damage, reduce downtime, and enhance overall electrical safety in your distribution system.

Ideal use cases

• Three-phase motor feeders in manufacturing, processing, or equipment rooms
• Main or feeder protection within commercial or light-industrial panel boards
• Power distribution for systems operating at up to 600 V

Why this model stands out

Choosing the Square D LJL36250U31X means selecting a time-tested solution from a trusted brand known for consistent trip characteristics and durable construction. The 3-pole design provides synchronized protection for all phases, helping maintain balance in your 3-phase circuits and simplifying maintenance in rugged environments.

Practical considerations

• Ensure compatibility with your Square D panels and strictly follow local electrical codes when replacing or upgrading protection devices
• Torque terminals to the manufacturer's specifications and inspect for signs of wear or corrosion during installation
• Use in appropriate 3-phase applications where a 250 A, 3-pole, 600 V device is required

Upgrade or specify your 3-phase protection with the Square D LJL36250U31X: a robust, reliable 250 A circuit breaker designed to keep heavy-duty systems safe and running smoothly.