The Schneider Electric Square D MJA36600 is a PowerPact M Molded Case Circuit Breaker engineered for robust overload and short-circuit protection in demanding industrial and commercial electrical distribution systems. This M-frame breaker is rated for 600V AC and 600A, providing essential safety and operational continuity for critical equipment.

Technical details

• Series: PowerPact M
• Frame Size: M Frame
• Voltage Rating: 600V AC
• Current Rating: 600A
• Breaking Capacity: 100 kA at 240V AC
• Breaking Capacity: 65 kA at 480V AC
• Trip Unit Type: Thermal-Magnetic (indicated by 'MJ' in part number, common for this series)
• Configuration: 3-Pole

Applications & compatibility

This circuit breaker is suitable for use in main distribution panels, branch circuit protection, and as a component in motor control centers within manufacturing facilities, data centers, and commercial buildings. It is designed to protect downstream electrical loads from damaging overcurrent conditions, ensuring the reliability of machinery such as pumps, conveyors, and HVAC systems.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D MJA36600 or contact our technical team for cross-reference assistance with compatible PowerPact M components.