Schneider Electric | MJL36400SKLU | Circuit Breaker | 400A | 3-Pole | 600V

When your electrical distribution demands dependable, high-capacity protection, the Schneider Electric MJL36400SKLU circuit breaker stands up to the task. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this 400A, 3-pole, 600V device delivers reliable performance within Schneider Electric’s trusted protection platform.

• Amperage: 400A — robust current handling for sizable feeder circuits
• Poles: 3-Pole configuration to support three-phase power distribution
• Voltage rating: 600V maximum working voltage for industrial and commercial systems
• Application: ideal for service panels, retrofit installations, and replacement scenarios where exact specs are required
• Compatibility note: part number MJL36400SKLU is the best reference for compatibility; always confirm fit and ratings before ordering

Use scenarios include upgrading large commercial panels, integrating new machinery on an industrial line, or replacing a failed unit in an existing Schneider Electric installation. The 3-pole design ensures synchronized protection across all three hot legs, reducing the risk of phase-to-phase faults and protecting downstream equipment.

With the MJL36400SKLU, you gain a reliable, Schneider Electric-certified solution that aligns with your current panel architecture and protection strategy. If you’re sourcing a replacement or performing a controlled retrofit, this model provides a precise, compatible fit that minimizes downtime and preserves system integrity.