Schneider Electric | MJM36300 | Circuit Breaker | 300A | 3-Pole | 600V | Bolt-On

Schneider Electric MJM36300 Circuit Breaker is a rugged, 300A, 3-pole, 600V bolt-on device designed to protect electrical circuits in demanding environments. Engineered for maintenance, retrofit, and replacement projects, this breaker plugs into compatible panels with a bolt-on mounting method that delivers a secure, reliable installation solution.

• Amperage: 300A
• Poles: 3-Pole
• Voltage: 600V
• Mounting: Bolt-On

Why this MJM36300 stands out

Compared to other formats, the bolt-on design provides a robust mechanical connection that resists vibration and thermal cycling in demanding environments. Built with Schneider Electric’s trusted engineering, this breaker delivers dependable overcurrent protection for high-current distribution in large panels.

Important compatibility and shopping tips

Before ordering, confirm fit and ratings by cross-referencing your panel’s specifications with the MJM36300. The part number is the most reliable reference for compatibility, ensuring the 300A, 600V, 3-pole, bolt-on configuration matches your equipment.

Ideal use cases

• Maintenance replacements in existing panels requiring a precise 300A, 3-pole, 600V bolt-on breaker
• Retrofit projects to upgrade or restore protection in electrical distribution systems
• Spare parts strategy for facilities with Schneider Electric legacy gear

Practical considerations

Keep a standardized spare on hand to reduce downtime during outages. Store in a cool, dry environment and verify the mounting footprint aligns with your enclosure’s bus and mounting rails. For best results, cross-check the part number MJM36300 against official documentation and batch conformity records from Schneider Electric.