Square D | MXL36500 | Circuit Breaker | 500A | 3-Pole | 600V

Meet the Square D MXL36500 circuit breaker—a rugged, industrial-grade solution built for demanding 600V systems. With a 500A rating and 3-pole configuration, this breaker is designed for maintenance, retrofit, and replacement projects where exact specifications matter. When your goal is dependable protection in commercial or industrial panels, this MXL-series breaker delivers reliable performance in real-world conditions.

Key specifications at a glance

• Amperage: 500 A
• Poles: 3-Pole
• Voltage: 600 V

Compatibility and fit
Before purchasing, confirm fit and ratings against your panel requirements. The part number MXL36500 is the most direct reference for compatibility within Square D’s MXL lineup. If you’re unsure, compare the panel labeling, circuit rating, and the number of poles to ensure a seamless replacement.

Why this breaker stands out

• Direct-fit replacement for MXL-series panels: Engineered to integrate with Square D panels that support the MXL family, minimizing downtime and compatibility concerns.
• High-current capability for demanding applications: The 500A rating supports large loads typical of commercial and industrial environments, helping protect feeders and distribution circuits.
• Versatile for maintenance and retrofit: Ideal for panel refresh projects, service upgrades, or stocking spares to keep critical power paths protected.

Ideal use cases

• Retrofits in existing Square D MXL panels where a 3-pole, 600V breaker is required.
• Maintenance planning in industrial facilities with 500A feeder protection needs.
• Replacement for aging or incompatible breakers in 600V distribution systems.

Practical considerations and tips

Keep these best practices in mind to ensure a smooth installation and long-term reliability:

• Always verify panel compatibility using the exact part number (MXL36500) as the primary reference.
• Document the panel model, existing bus arrangement, and service rating to confirm a proper fit before ordering.
• Store spare units in a controlled environment to prevent corrosion or contamination that could affect performance.