The Schneider Electric ATV21WD18N4 is a variable speed drive from the Altivar 21 series, engineered for enhanced motor control in HVAC applications. This drive is rated for 18.5 kW (25 HP) and operates on a 480V power supply. It incorporates an EMC filter, Class A, to mitigate electromagnetic interference and ensure compliance with industrial environmental standards.

Technical details

• Series: Altivar 21 (ATV21)
• Power Rating: 18.5 kW (25 HP)
• Voltage Rating: 480V AC
• EMC Filter: Class A
• Control Type: Variable Speed Drive
• Enclosure Type: Designed for specific mounting configurations; consult manufacturer datasheet for precise dimensions and mounting details.
• Motor Compatibility: Suitable for standard asynchronous motors.
• Protection Features: Includes motor overload protection and fault logging.

Applications & compatibility

This variable speed drive is specifically designed for HVAC applications, including fan and pump control in commercial buildings, industrial ventilation systems, and water management facilities. Its robust design and integrated features ensure reliable performance in demanding environments where precise motor speed regulation is critical for energy efficiency and operational control.

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 ATV21WD18N4 or contact our technical team for cross-reference assistance with compatible Altivar components.