Designed for variable torque applications, the Schneider Electric Telemecanique ATV-21HD18N4 is a variable speed drive engineered to optimize the performance of asynchronous motors. This drive is particularly suited for building HVAC systems, pumps, and fans, offering precise motor control. It operates with a robust 18.5 kW (25 HP) rated power, providing substantial capacity for demanding tasks.

Technical details

• Series: ATV-21HD
• Rated Power: 18.5 kW
• Maximum Horsepower: 25 HP
• Voltage Range: 380-400V AC (Verify specific model configuration against manufacturer datasheet)
• Motor Type Compatibility: Asynchronous motors
• Control Method: Variable speed drive
• Enclosure Type: (Verify against manufacturer datasheet)
• Mounting Type: (Verify against manufacturer datasheet)

Applications & compatibility

This variable speed drive is commonly deployed in building automation systems for HVAC fan and pump control, as well as in industrial settings requiring variable torque motor management. Its design facilitates integration into systems where precise speed adjustment is critical for energy efficiency and operational performance.

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 Telemecanique ATV-21HD18N4 or contact our technical team for cross-reference assistance with compatible variable speed drive components.