Square D | MAP36450 | Circuit Breaker | 450A | 3-Pole | 600V

Square D MAP36450 is a heavy-duty circuit breaker designed for industrial electrical distribution where precise protection and legacy-panel compatibility matter. Built for maintenance, retrofit, and replacement projects, this 450A, 3-pole device delivers reliable overcurrent protection at 600V, helping keep critical equipment safeguarded and downtime minimized.

Key specifications

• Amperage: 450A
• Poles: 3-Pole
• Voltage: 600V
• Part number: MAP36450
• Brand: Square D

Why choose the MAP36450 for your install

When you need a precise, field-verified match for legacy panels or replacement inventory, MAP36450 is the reference you want. The MAP36450 part number is the best compatibility reference, helping you minimize guesswork during procurement and ensuring the breaker will align with your panel’s mounting, bus configuration, and electrical ratings.

Ideal use cases

• Maintenance: safeguard critical feeders during routine service or part swaps.
• Retrofit: upgrade older equipment to current safety standards while maintaining panel compatibility.
• Replacement: substitute like-for-like in panels that specify a 450A, 3-pole, 600V protection device.

Practical considerations

Before ordering, validate fit and ratings on the panel label. Rely on the MAP36450 part number as the primary reference to verify cross-compatibility with your Square D or compatible panels and breakers. For projects requiring a 450A, 3-pole, 600V solution, this breaker delivers the alignment your distribution network depends on.