Square D | MAL36350 | Circuit Breaker | 350A | 3-Pole | 600V

Square D MAL36350 delivers robust overcurrent protection for three-phase electrical systems up to 600V. With a 350A rating and a 3-pole configuration, this circuit breaker is purpose-built for high-demand industrial applications, including motor circuits, feeders, and distribution panels.

Whether you're performing a retrofit, maintenance, or replacement in a live panel, MAL36350 is designed to slot into compatible Square D installations with minimal downtime and consistent protective performance.

Why this breaker stands out

• 350A current rating supports heavy-duty loads and motor starting profiles common in manufacturing, processing lines, and data-center infrastructure.
• Three-pole design (3-Pole) ensures synchronized protection across all three phases, preventing phase imbalance and protecting equipment from three-phase faults.
• 600V maximum operating voltage suitable for industrial distribution, panel boards, and service entrances in commercial facilities.
• Clear compatibility reference The MAL36350 part number is the best reference for verifying fit with your panel or enclosure.
• Maintenance-friendly engineered for reliable operation during routine service and retrofit projects, reducing change-out time.

Key use cases

• Retrofit aging panels to restore reliable protection for high-current circuits with minimal modification.
• Replace failed breakers in 3-phase power feeds, ensuring continuity for motors, drives, and line voltage feeders.
• Install in new or existing Square D installations where a 350A, 3-pole, 600V device is required.
• Spare part for service crews maintaining critical manufacturing lines or data-center infrastructure.

Installation and compatibility tips

• Always confirm fit and ratings before ordering. Use MAL36350 as your compatibility reference against your panel catalog label and existing breakers.
• Ensure the enclosure supports 600V operation and 3-phase protection. Verify bus connection geometry and mounting to minimize replacement time.
• Have a licensed electrician perform installation and torque per manufacturer guidelines to maintain protective coordination and safety.

When you need a dependable, high-current protective device for three-phase power up to 600V, the Square D MAL36350 delivers precise control and durable protection. It’s the practical choice for professionals upgrading electrical infrastructure, equipping service fleets, or refreshing critical power distribution in industrial environments.