Square D | PXF361400LSZ | Circuit Breaker | 1400A | 3-Pole | 600V

Meet the Square D PXF361400LSZ circuit breaker — a purpose-built, three-pole protection device crafted for demanding 600V three-phase power environments. Engineered to align with Square D panels and distributions systems, this 1400A breaker delivers reliable overcurrent protection where uptime and safety matter most.

Built for maintenance, retrofit, and replacement applications, the PXF361400LSZ minimizes downtime while preserving system integrity. With a true three-pole design, it provides balanced protection across all phases, helping safeguard motors, drives, and other critical equipment in industrial and commercial settings.

• Amperage: 1400A
• Poles: 3-Pole
• Voltage: 600V
• Part number: PXF361400LSZ

Why choose this model? Using the exact part number is the most reliable way to ensure proper fit, mounting pattern, and compatibility with your existing Square D installation. This specificity helps preserve protective characteristics and simplifies sourcing for future maintenance or replacements.

Ideal use cases:

• Retrofit of older or expanding 3-phase panels that require 600V protection with a 1400A capacity.
• Maintenance replacements to quickly restore protective coverage without panel redesigns.
• New or upgraded installations in systems that demand robust, three-point protection at 600V.

Practical guidance for success:

• Always verify fit and ratings against your panel’s documented specifications before ordering.
• Keep the part number PXF361400LSZ as the primary reference to ensure compatibility with your current Square D infrastructure.
• Consult a qualified electrician for proper installation and adherence to safety standards and manufacturer guidelines.