Square D | MA363501021 | Circuit Breaker | 350A | 3-Pole | 600V

When your electrical system demands reliable, high-current protection, the Square D MA363501021 circuit breaker delivers clear, purpose-built performance. This 350A, 3-pole device is designed for 600V applications and is ideal for maintenance, retrofit, or replacement projects where exact specifications matter.

• Amperage: 350 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Part number: MA363501021
• Brand: Square D

Why this model matters in real-world use:

• Supports heavy-duty distribution and motor circuits that require solid three-pole protection at 600V, helping prevent damage from short circuits and overloads.
• Designed for maintenance, retrofit, and replacement scenarios where exact compatibility is essential, reducing guesswork during panel upgrades or service work.
• The MA363501021 reference point provides a straightforward path to finding the right fit for your Square D installations, ensuring electrical integrity and safety.

Practical guidance for selecting and installing:

• Always verify fit and ratings before ordering—the part number MA363501021 is the best reference for compatibility with your panel or equipment.
• Confirm that your system’s current, pole arrangement, and voltage align with 350 A, 3-Pole, and 600 V ratings to ensure seamless integration and reliable protection.
• Plan replacements or retrofits around panels and feeders that require precise 3-pole protection to maintain balanced phase protection and trip coordination.

Ideal for industrial facilities, machine control panels, and heavy-load distribution where dependable 3-pole protection at 600V is required, the Square D MA363501021 provides a straightforward, specification-driven solution that designers and technicians can trust.