Square D | MX36500 | Circuit Breaker | 500A | 3-Pole | 600V

Square D MX36500 Circuit Breaker is a high-current protective device engineered for demanding 600V distribution systems. With a 500A rating and a 3-pole configuration, this breaker delivers reliable overcurrent protection for industrial panels, feeders, and equipment where uptime and safety matter. Designed for maintenance, retrofit, and replacement projects that require exact specifications, MX36500 provides a durable, city-grade solution for challenging electrical environments.

Key specifications and compatibility notes

• Amperage: 500A
• Poles: 3-Pole
• Voltage: 600V
• Part number: MX36500
• Best reference for compatibility: The part number MX36500 is the most reliable reference — verify fit with your panel labeling and documentation before ordering.

Why this matters

In industrial settings, using the exact‑spec MX36500 minimizes compatibility risk and streamlines panel modernization. The 500A, 3-pole design is suited for feeds and branch circuits that demand solid protection against overloads while enabling safe, predictable isolation during fault conditions. By choosing the MX36500, you align with Square D’s design intent for high-current, 600V applications.

Ideal use cases

• Maintenance: Replace aging or failed breakers in existing Square D panels without altering surrounding hardware.
• Retrofit: Upgrade distribution systems to 500A protection while preserving current panel architecture and bus layout.
• Replacement: Use when the panel label or documentation specifies MX36500 or when the current system requires a 500A, 3-Pole, 600V device.

Practical tips for a smooth fit

• Always confirm fit using the MX36500 part number and the panel’s labeling before ordering or installation.
• Have a licensed electrician perform installation, adhering to local electrical codes and Square D installation guidelines.
• Ensure the panel is rated for 500A current and that the bus configuration, mounting style, and enclosure environment support a 3-pole, 600V device.

The MX36500 is the exact-match solution for professionals seeking dependable, high‑current protection in 600V systems. If your project requires a precise 500A, 3‑pole Square D breaker, this part delivers the compatibility, reliability, and performance you need to keep critical circuits protected.