Square D MA36600 - 600 A, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D MA36600, a 600 A, 3-pole plug-in molded case circuit breaker engineered to protect panelboards and load centers from overcurrent and short-circuit events. Its fast plug-in connection minimizes downtime during installation or replacements, so you can keep critical electrical systems running with less interruption. The thermal-magnetic trip unit delivers stable, repeatable protection across a range of loads and fault conditions, helping prevent nuisance trips and ensuring reliable behavior when it matters most. Compatible with matching OEM load centers, this breaker is a trusted choice for residential, commercial, and light industrial applications.

Why this breaker stands out

• Fast plug-in connection for quick installation and painless replacement, reducing panel downtime.
• Thermal-magnetic trip unit provides stable, repeatable protection performance across varying electrical loads.
• OEM-compatible works with matching Square D load centers and panelboards for seamless integration.
• 3-pole, 600 A design protects three-phase circuits or feeders in larger installations.
• Plug-in mounting simplifies service and future upgrades within existing gear.

Specifications at a glance

• Manufacturer: Square D
• Part number: MA36600
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 600 A
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Whether you’re upgrading a residential service, equipping a commercial panel, or wiring light industrial equipment, the MA36600 delivers robust protection and straightforward service. Use it to guard three-phase feeders, downstream branch circuits, or as a direct replacement within compatible panelboards. The plug-in design supports quick swaps during routine maintenance or after a fault, helping you keep systems aligned with safety and reliability goals.

Choose Squares D engineering for dependable protection in demanding environments. The MA36600 600 A, 3-pole plug-in breaker offers precise protection, fast installation, and seamless integration with your existing load centers and panelboards.