Designed for robust three-phase motor control, the Schneider Electric Square D 8639NSA4SSPL1SPL2 is a reduced voltage starter. This unit is engineered to operate at a 480V class and supports motor loads up to 350 horsepower. It is a component within the Square D 8639 series, known for its reliability in demanding industrial environments.

Technical details

• Series: Square D 8639
• Voltage Class: 480V AC, 3-Phase
• Horsepower Rating: Up to 350 HP
• Control Type: Reduced Voltage Starter
• Features: Integrated circuit breaker disc for enhanced safety and control during startup.
• Protection: Designed to limit inrush current and reduce mechanical stress on connected equipment.
• Mounting: Standard industrial enclosure mounting (verify specific dimensions against manufacturer datasheet).
• Enclosure Type: NEMA rated enclosure (specific rating to be confirmed via datasheet).

Applications & compatibility

This reduced voltage starter is suitable for applications requiring controlled motor acceleration, such as large pump systems, fan drives, compressors, and heavy-duty conveyors. It is commonly integrated into systems found in manufacturing plants, water treatment facilities, and material handling operations where smooth startup is critical to equipment longevity and process stability.

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 8639NSA4SSPL1SPL2 or contact our technical team for cross-reference assistance with compatible Square D starter components.