Square D | MA36250 | Circuit Breaker | 250A | 3-Pole | 600V

The Square D MA36250 Circuit Breaker delivers dependable, heavy-duty protection for demanding 3-phase systems. With a 250-amp rating, a 3-pole design, and a 600-volt operating capability, this breaker is built to safeguard large feeders, motors, and panel banks across industrial and commercial environments.

Designed for maintenance, retrofit, and replacement projects, the MA36250 fits systems that require precise electrical matching. The part number is the best reference for compatibility, so be sure to verify the MA36250 against your panel model and ratings before ordering.

• Amperage: 250 A — suitable for protecting substantial feeder circuits and motor loads.
• Poles: 3-Pole — ensures synchronized protection across all three phases in a balanced three-phase system.
• Voltage: 600 V — appropriate for medium- to high-voltage distribution networks common in commercial and industrial settings.

Why this MA36250 stands out

• Precise compatibility for Square D panels: The MA36250 is engineered to align with specific Square D enclosures and bus configurations, minimizing fit issues during retrofits or replacements.
• Clear downstream protection: By properly matching 250 A, 3-pole, and 600 V ratings, it provides reliable overcurrent and short-circuit protection for critical circuits without oversizing or under-protecting your equipment.
• Streamlined retrofit and maintenance: With a straightforward form factor, this breaker can simplify swap-outs and panel upgrades, reducing downtime during service windows.
• Reference-driven procurement: Rely on the MA36250 part number to confirm compatibility across your fleet, assemblies, and spare-stock strategy.

Ideal use cases

• Panel modernization or capacity upgrades in manufacturing facilities, warehouses, or data centers.
• Replacement of failed breakers in 600V, three-phase distribution networks.
• Protection for large-motor circuits, conveyors, presses, and other heavy-load equipment.

Practical guidance for procurement and installation

• Confirm fit and ratings before ordering; the part number MA36250 is the most reliable compatibility reference.
• Evaluate your system load to ensure a 250 A breaker aligns with feeder and conductor sizing.
• Plan for a quick swap by keeping a properly rated spare MA36250 on hand to minimize downtime during maintenance windows.