Square D | MA26500BC | Circuit Breaker | 500A | 2-Pole | 600V

Introducing the Square D MA26500BC circuit breaker—the robust 500A, 2-pole solution designed for demanding electrical environments. Built for 600V systems, this unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter. If you’re upgrading or modernizing an industrial or commercial panel, this MA-series breaker delivers dependable protection with a precise fit.

Key specifications

• Amperage: 500 A
• Poles: 2-Pole
• Voltage: 600 V

Compatibility and fit

Before ordering, confirm fit and ratings to ensure seamless integration with your panel. The MA26500BC part number is the most reliable reference for compatibility, helping you match form factor, trip characteristics, and mounting style with minimal downtime. This breaker is intended for use in Square D panels and enclosures that support 500A, 2-pole, 600V protection, making it a practical choice for direct replacement or retrofit projects where exact specifications are required.

Ideal use cases

• Maintenance replacement in commercial or light industrial distribution panels
• Retrofits where higher amperage capacity is necessary for evolving electrical loads
• Backup or main-disconnect scenarios in 600V systems requiring reliable overcurrent protection
• Upgrading legacy installations to a standardized Square D MA-series footprint for easier servicing

Why this MA26500BC stands out

Specificity matters in electrical protection. The MA26500BC isn’t a generic fit; it’s a Square D unit designed to meet the exact 500A, 2-pole, 600V requirements of compatible panels. Its 2-pole configuration provides coordinated, two-line protection essential for preventing arcing and ensuring that both live conductors in a circuit receive synchronized interruption when a fault occurs. In environments where panel downtime is costly, using the correct part number (MA26500BC) streamlines ordering, reduces compatibility risks, and supports faster service restoration.

Practical tips for installation and use

• Power down the main service and follow lockout/tagout procedures before handling the breaker.
• Verify labeling on the panel to ensure the 600V rating and 500A capacity align with your circuit requirements.
• Check the panel’s documentation or manufacturer guidelines for the correct MA-series breaker compatibility.
• Handle the breaker with care to avoid damage to the trip mechanism and terminal connections.
• Maintain a record of the replacement part number (MA26500BC) for future maintenance and audits.

In practical terms, the Square D MA26500BC helps you maintain reliable power protection for high-demand circuits without guesswork. By matching the exact amperage, pole count, and voltage, you minimize installation issues and maximize uptime for critical loads. If you’re planning a retrofit, replacement, or routine maintenance in a 600V distribution environment, this 500A, 2-pole breaker is designed to meet the precise needs of your Square D panel system—streamlining procurement, installation, and ongoing service.