The Schneider Electric Square D PLA34040U31B is a molded case circuit breaker designed for robust electrical system protection. This 3-pole unit operates at a 480V voltage class and features a substantial 400A current rating, making it suitable for demanding industrial and commercial power distribution applications.

Technical Details

• Series: PLA (part of the Square D PowerPacT L family)
• Poles: 3
• Voltage Class: 480V AC
• Amperage Rating: 400A
• Interrupting Rating: Verify against manufacturer datasheet for specific AIC rating.
• Trip Unit Type: Electronic (indicated by the 'E' in the PLA designation, though specific trip functions require datasheet confirmation)
• Mounting Type: Fixed, Molded Case
• Terminal Type: Lug terminals

Applications & Compatibility

This circuit breaker is commonly employed in main distribution panels, motor control centers, and as feeder protection in facilities with high power demands. It is designed to integrate into electrical systems requiring reliable overcurrent and short-circuit protection for large loads, such as those found in manufacturing plants, data centers, and large commercial buildings.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D PLA34040U31B or contact our technical team for cross-reference assistance with compatible Square D PowerPacT L components.