Square D MH36800 - 800A, 3-Pole, Circuit Breaker

The Square D MH36800 – 800A, 3-Pole Circuit Breaker is engineered for dependable overcurrent protection in heavy-duty electrical environments. Built to perform in distribution panels, switchboards, and control panels, this breaker delivers robust performance where uptime and safety matter most.

Why the MH36800 stands out

Designed for high-current applications, the MH36800 combines a generous 800A rating with a compact 3-Pole format. This configuration is ideal for three-phase systems common in industrial facilities, commercial buildings, and OEM equipment. It provides reliable protection for feeders, motor circuits, and critical loads, helping prevent damage from overloads and short circuits while supporting safer, smoother operation of your electrical distribution.

Key benefits

• 800A current rating: Capable of safeguarding large feeders and heavy-load circuits without compromising protection.
• 3-Pole configuration: Simplifies wiring and coordination in three-phase power environments, reducing installation complexity.
• Versatile deployment: Suitable for panelboards, switchboards, and control panels across industrial, commercial, and OEM contexts.
• Durable protection: Built to maintain safe operation in demanding conditions typical of distribution panels and motor control centers.
• OEM-ready reliability: A dependable choice for original equipment manufacturers seeking consistent, long-lasting protection.

Ideal use scenarios

Use the MH36800 when upgrading or replacing protection in large industrial feeders, configuring new distribution panels for production lines, or safeguarding motor control centers that drive critical equipment. Its three-phase compatibility and high-current capability make it a practical choice for facilities handling substantial electrical loads where reliable trip protection is essential.

Specifications at a glance

• Current rating: 800A
• Poles: 3-Pole
• Breaker type: Circuit Breaker

Installation and safety considerations

Plan for proper terminal torque, correct bus alignment, and adherence to applicable electrical codes when installing the MH36800. This unit is designed to integrate with compatible Square D equipment and is best paired with panels and MCCs that share the same protection family to ensure coordinated performance and consistent safety margins.

What you gain by choosing this breaker

Opting for the MH36800 means strong, reliable overcurrent protection for high-load environments, minimized risk of fault-induced outages, and a stable foundation for safe, efficient electrical distribution. Whether upgrading an aging system or outfitting new installations, this 800A, 3-pole circuit breaker delivers clear, tangible value in everyday industrial and commercial operation.