The Schneider Electric Square D SFD21LG2Y S-Flex 21 Enclosed Drive is engineered for demanding commercial HVAC applications, delivering precise motor control and enhanced system efficiency. This 25 HP drive incorporates an Altivar power converter featuring reduced harmonic technology and an IGBT inverter, ensuring reliable performance. Its integrated full-voltage bypass capability allows for uninterrupted operation during adjustable frequency or bypass modes.

Technical details

• Series: S-Flex 21
• Horsepower Rating: 25 HP
• Voltage Class: 208V
• Control Technology: Altivar power converter with reduced harmonic technology and IGBT inverter
• Bypass Functionality: Integrated full-voltage bypass
• Enclosure Type: Enclosed drive
• Harmonic Reduction: Features reduced harmonic technology

Applications & compatibility

This enclosed drive is specifically designed for commercial HVAC systems, including air handling units, chillers, and pump applications. Its robust construction and advanced control features make it suitable for environments requiring reliable and efficient motor speed regulation. Compatibility with 208V systems ensures straightforward integration into existing infrastructure.

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 SFD21LG2Y or contact our technical team for cross-reference assistance with compatible S-Flex 21 components.