Square D | MJL36500 | Circuit Breaker | 500A | 3-Pole | 600V | Bolt-On

Engineered by Square D, the MJL36500 circuit breaker delivers dependable, high-current protection for demanding electrical systems. This 500A, 3-Pole, 600V bolt-on device is purpose-built for maintenance, retrofit, and replacement projects where exact specs matter, making it a precise, reliable upgrade for compatible panels.

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

Why choose the MJL36500 for essential protection

• Provides robust, three-phase protection for large feeders and motors in commercial and industrial environments.
• Three-pole design ensures balanced tripping and coordinated protection across all phases.
• Bolt-on mounting offers a straightforward, sturdy installation in compatible Square D panels, making field replacements faster and more secure.
• Designed for maintenance, retrofit, and replacement scenarios where exact specifications are required; the part number MJL36500 is the best reference for compatibility.

Ideal use cases

• Upgrading aging distribution panels to handle 500A, three-phase loads in manufacturing lines, data centers, or large facilities.
• Retrofits and replacements where a precise 3-Pole, 600V, 500A bolt-on breaker is needed to match existing protection schemes.
• Situations requiring quick, reliable swap-ins to minimize downtime during service interruptions or panel revamps.

Compatibility and installation notes

Before ordering, verify fit and ratings for your specific panel. The MJL36500 is the best compatibility reference for this configuration. It is intended for use in Square D bolt-on applications and should be matched to panels and bus configurations that support this mounting style and rating. Always follow the panel manufacturer's installation instructions for bolt-on devices to ensure safe, proper operation.

With the MJL36500, you’re choosing a trusted Square D solution designed to deliver consistent protection and dependable performance in demanding electrical environments. If your project calls for a precise high-current, three-pole breaker at 600V, this unit provides a well-matched, field-proven option that aligns with established electrical safety and reliability expectations.