Square D | MHL36000M1287 | Circuit Breaker | 1000A | 3-Pole | 600V

Square D delivers reliable, industrial-grade protection with the MHL36000M1287 circuit breaker. This 3-pole device is engineered for high-demand electrical distribution, providing solid overcurrent protection at 600V and a robust 1000A rating. Perfect for maintenance, retrofit, and replacement projects, it ensures your panels stay protected while meeting exact specifications.

Key Specifications

• Amperage: 1000A
• Poles: 3-Pole
• Voltage: 600V

Why this model stands out

Designed to integrate seamlessly into Square D installations, the MHL36000M1287 offers precise compatibility for retrofit and replacement work. By sticking with the exact part number, you reduce the guesswork and accelerate project timelines, ensuring your protective device matches the original specifications and form factor.

Its three-pole configuration is ideal for three-phase distribution systems, delivering reliable protection across all phases. Built to withstand routine switching in demanding environments, this breaker helps maintain uninterrupted operations in industrial settings.

Compatibility & installation considerations

Fit and ratings must be verified before ordering. The part number MHL36000M1287 is the best reference for compatibility—use it to confirm connector, mounting, and overall fit with your panel or switchgear. If your system requires a 1000A, 3-Pole, 600V protection device, this model aligns with that specification and can be a direct replacement in compatible Square D installations.

Ideal use cases

• Maintenance outages where a like-for-like replacement is required to preserve electrical protection characteristics.
• Retrofit projects upgrading legacy panels to current protective devices without changing the system architecture.
• Replacement in service fleets and spare parts inventories for facilities with high-current, three-phase distribution.

Practical tips for optimal results

Plan around exact specifications to minimize panel downtime. Keep a labeled stock of the MHL36000M1287 for quick swaps during scheduled maintenance. When installing, verify that the associated panel labeling and system ratings align with a 1000A, 3-Pole, 600V device to maintain consistent protection across all phases.