Square D | PLA34120U44A | Circuit Breaker | 44A | 3-Pole | 480V

Meet the Square D PLA34120U44A Circuit Breaker—a precise 44-amp, three-pole protective device designed for 480-volt three-phase systems. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this unit integrates into compatible Square D panels with a straightforward fit guided by the part number.

Why choose the PLA34120U44A? It’s engineered to match your installation’s exact electrical demands, delivering reliable overcurrent protection for demanding industrial loads while simplifying sourcing and cross-reference tasks thanks to a single, definitive part number. Use cases range from panel refurbishments to new installations that require a 3-pole, 480V protection strategy at 44A.

• Amperage: 44A
• Poles: 3-Pole
• Voltage: 480V
• Best compatibility reference: PLA34120U44A

Practical considerations and usage tips:

• Before ordering: confirm fit and ratings for your specific panel or equipment. The part number PLA34120U44A is the best reference for compatibility.
• Ideal for systems where a 3-phase 480V distribution requires robust protection at a moderate 44-amp rating, helping to prevent equipment damage and unplanned downtime.
• Reliable replacement option in maintenance cycles, retrofits, or upgrades where you need to preserve electrical protection characteristics without altering panel design.

In summary, the Square D PLA34120U44A is a purpose-built solution for professionals managing 3-phase, 480V distribution networks. Its exact 44A, 3-pole configuration ensures you maintain protective coordination and system reliability, while the clear, single-part-number reference simplifies procurement and reduces the risk of mismatched replacements.