Square D | PXF361200LS | Circuit Breaker | 1200A | 3-Pole | 600V

Meet the Square D PXF361200LS circuit breaker—built for demanding electrical systems where reliable, high-capacity protection is non-negotiable. With a 1200 A rating, three-pole configuration, and a 600 V operating window, this device is designed to guard large three-phase loads in industrial, commercial, and retrofit scenarios. It slots into existing Square D ecosystems where exact specifications matter, making maintenance, upgrade, and replacement straightforward and less disruptive.

• Amperage: 1200 A
• Poles: 3-Pole
• Voltage: 600 V

Compatibility and fit

Before ordering, confirm that the PXF361200LS matches your panel or gear train’s ratings and mounting geometry. The part number is the clearest reference for compatibility, ensuring you get identical form, function, and electrical characteristics needed for a clean, reliable replacement or retrofit.

Ideal use cases

• Maintenance, retrofit, and replacement in large three-phase electrical systems where 1200 A protection is required.
• Upgrading legacy Square D installations to ensure consistent protection across all three phases at 600 V.
• Industrial feeders and panelboards that demand robust interruption capacity while keeping system downtime to a minimum.

What makes this breaker meaningful

Beyond the basic specs, this breaker delivers predictable tripping performance aligned with real-world load profiles in demanding environments. Its three-pole design ensures coordinated protection across all phases, reducing the risk of unbalanced faults and providing a safer, more stable electrical system. When a retrofit or replacement is on the agenda, the PXF361200LS offers a clear path to restoring protection without reengineering the panel layout.

Practical considerations and tips

• Verify that your enclosure, bus arrangement, and associated interlocks align with the PXF361200LS’s specifications.
• Keep a matching spare on hand for critical systems to minimize downtime during scheduled maintenance or fault events.
• Document the exact part number in your asset registry to ensure future ordering precision and faster service calls.

For teams stabilizing large electrical infrastructure, the Square D PXF361200LS 3-Pole, 600 V circuit breaker offers a precise, dependable solution that aligns with established Square D standards. Use it when you need dependable high-current protection and a proven path for retrofit or replacement in demanding environments.