Square D | MA26600AB | Circuit Breaker | 600A | 2-Pole | 600V

Meet the Square D MA26600AB circuit breaker—a high-capacity protection device designed for demanding 600V electrical systems. With a 600A rating and a 2-pole configuration, this unit delivers reliable, simultaneous disconnection of both conductors, helping safeguard equipment and personnel in commercial and industrial environments.

Built to serve as a precise replacement, retrofit, or maintenance component, MA26600AB is the best reference when compatibility matters. Use it when your panel, bus, and protective scheme call for a 600A, 2-pole, 600V device from Square D.

• Key specs at a glance—Amperage: 600A; Poles: 2-Pole; Voltage: 600V; Part number: MA26600AB.
• Why it matters—A higher-current main protection for heavy-load circuits, with dual-pole disconnection that reduces arc risk and ensures balanced shutdown in fault conditions.
• Ideal use cases—Maintenance of existing Square D panels, retrofitting to upgrade protection for high-demand feeders, or replacing a failed unit in industrial or commercial service equipment.
• Compatibility and installation—Before ordering, verify fit and ratings using the MA26600AB as the primary reference. Confirm your panel supports 600V operation and that the two-pole format matches your bus configuration. Installation should be performed by a qualified electrician following relevant safety standards.

For reliable, genuine Square D protection, choose MA26600AB. It pairs with Square D panels and accessories to maintain consistent performance across your electrical distribution system.