The Schneider Electric Square D SFD21LG3Y S-Flex enclosed drive is engineered for robust performance in demanding industrial and HVAC environments. This 25 HP drive is part of the S-Flex series, designed to provide precise motor control and system integration. Its integrated bypass functionality ensures operational continuity by allowing a direct connection to the power supply when variable frequency control is not required.

Technical details

• Series: S-Flex
• Model Number: SFD21LG3Y
• Horsepower Rating: 25 HP
• Voltage Class: 230V
• Enclosure Type: Enclosed Drive
• Control Technology: Features Reduced Harmonic Technology utilizing an Advantage 21 power converter with an IGBT inverter and pulse-width modulation (PWM) for efficient motor operation.
• Integrated Bypass: Includes a bypass mode for seamless switching between VFD control and direct line power.
• Power Converter: Advantage 21 power converter.

Applications & compatibility

This drive is suitable for applications requiring precise speed control and energy savings, commonly found in HVAC systems, pump and fan control, and general industrial machinery. Its enclosed design offers protection in dusty or humid environments, making it compatible with packaging lines, material handling systems, and building automation projects.

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 SFD21LG3Y or contact our technical team for cross-reference assistance with compatible S-Flex series components.