Square D MGA36800 - 800A, 3-Pole, Circuit Breaker

The Square D MGA36800 - 800A, 3-Pole Circuit Breaker is built for industrial reliability, delivering dependable overcurrent protection in demanding power systems. With a 3-pole configuration, it provides balanced protection across all three phases, making it a smart choice for three-phase panelboards, switchboards, and control panels.

Why this 3-Pole breaker stands out

• 800A current rating — designed to handle high-capacity feeders and large motor loads without compromising protection.
• 3-Pole configuration — ensures uniform protection across all phases in three-phase electrical systems, reducing the risk of uneven fault currents.
• Versatile installation — compatible with panelboards, switchboards, and control panels, making it suitable for diverse industrial, commercial, and OEM applications.
• Dependable overcurrent protection — engineered to safeguard distribution equipment and critical loads, supporting safe operation in demanding environments.

Ideal applications and use cases

• Industrial power distribution where large motors, pumps, conveyors, or presses require robust protection.
• Commercial electrical systems that demand reliable protection for three-phase equipment and load centers.
• OEM equipment and integration projects where a high-capacity, three-phase breaker is needed for dependable performance in control centers and distribution panels.
• Motor control centers and other critical panel assemblies where consistent protection across all phases can prevent costly downtime.

Technical snapshot

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

What you gain with the Square D MGA36800

Choosing this MGA36800 800A, 3-Pole breaker means leaner wiring complexity for three-phase systems and a single, reliable device that integrates into existing Square D-compatible panels. It’s engineered to deliver consistent protection, reduce unplanned downtime, and support safe operation in both new builds and system upgrades. For professionals managing industrial electrical infrastructure, this breaker offers a precise balance of high-capacity protection and practical usability, ensuring your distribution panels and motor control centers stay up and running when it matters most.