Square D | MA364501124 | Circuit Breaker | 450A | 3-Pole | 600V

Introducing the Square D MA364501124 circuit breaker — a robust, three-pole protection device built for demanding electrical distribution needs. With a 450A rating and a 600V operating capability, this breaker is the reliable choice for maintaining service integrity in three‑phase systems. Designed for maintenance, retrofit, and replacement projects, it ensures you can upgrade or restore panels without compromising performance.

• Exact compatibility — part number MA364501124 is your best reference for matching fit and ratings. Before ordering, verify that your panel and wiring configurations align with this model to avoid compatibility issues.
• 3-Pole design for 3-phase systems — delivers balanced protection across all three phases, helping to guard against overcurrent scenarios that can impact multiple circuits at once.
• 450A rating — suitable for high-current applications where substantial load handling and reliable interruption are essential for safety and equipment protection.
• 600V electrical rating — compatible with mid-to-high voltage distribution environments typical in industrial, commercial, and certain large-scale facilities.
• Ideal for retrofit, maintenance, and replacement — a practical option when upgrading existing panels or restoring legacy gear, reducing downtime and aligning with established Square D ecosystems.
• Brand trust and compatibility — built to integrate smoothly with other Square D components, supporting consistent performance across your distribution system.

Who should consider this model? Facilities managers, electrical contractors, and maintenance teams responsible for 3‑phase power in manufacturing lines, commercial buildings, or data centers. The MA364501124 helps you maintain uptime and protect critical loads by providing a precise, reliable protective device that fits where your current specifications demand.

Key consideration: always confirm fit and ratings before ordering. The part number MA364501124 serves as the definitive reference for compatibility, ensuring you select the right breaker for your panel and electrical system.