Square D | MAB36500 | Circuit Breaker | 500A | 3-Pole | 600V

Meet the Square D MAB36500 circuit breaker—a durable 500-amp, 3-pole protective device designed for demanding electrical installations. Engineered by Square D, this unit delivers reliable overload protection and precise compatibility for industrial panels that require a high-current, three-phase breaker.

Key specifications

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

Why this matters: A 500 A, 3-pole breaker handles substantial feeder protection across three phases while maintaining stability at 600 V. The MAB36500 is not just a part number—it’s your best reference for compatibility when matching replacement or retrofit components in Square D systems.

Ideal use cases and scenarios

• Maintenance: Replace aging or worn breakers in existing Square D installations to restore full circuit protection without changing the panel architecture.
• Retrofit: Upgrade power distribution in facilities that require a high-current, three-phase protector aligned with standard Square D panel designs.
• Replacement: When updating service records or service schedules, rely on MAB36500 to ensure the correct fit and electrical ratings.

Compatibility and installation guidance

• Always confirm fit and ratings before ordering. The MAB36500 part number is the most reliable reference for compatibility with your Square D panel or enclosure.
• Verify that your system operates at 600 V and uses a three-pole configuration to match this breaker’s specifications.
• Professional installation is recommended. This device is intended for trained electricians who follow industry safety standards for industrial electrical work.

What sets the MAB36500 apart

• Square D reliability: Built to meet exacting standards for heavy-load electrical systems.
• Clear compatibility reference: The MAB36500 part number simplifies ordering and minimizes mismatch risk during retrofit or replacement projects.
• Versatile protection: Suitable for maintenance, retrofit, and replacement in commercial or industrial environments that rely on 600 V three-phase power.

For facilities requiring dependable, high-current protection in a three-phase layout, the Square D MAB36500 delivers precise fit, predictable performance, and straightforward integration into existing Square D systems—helping you maintain power stability for critical loads.