The Schneider Electric Altivar 21 (ATV21) series variable speed drive, model ATV21WU55N4, is engineered for precise control of 3-phase asynchronous motors. This unit is rated for a 5.5 kW (7.5 HP) motor and operates on a 480V supply voltage, making it suitable for demanding industrial environments. Its design incorporates an integrated EMC Filter Class A to minimize electromagnetic interference, ensuring reliable operation within complex electrical systems.

Technical Details

• Series: Altivar 21 (ATV21)
• Motor Power Rating: 5.5 kW (7.5 HP)
• Supply Voltage: 480V AC
• Integrated EMC Filter: Class A
• Enclosure Protection Rating: IP54 (Pro version implies enhanced protection)
• Control Type: Variable Speed Drive
• Motor Type Compatibility: 3-Phase Asynchronous Motors
• Control Method: Likely V/f control or sensorless vector control, refer to datasheet for specifics.

Applications & Compatibility

This variable speed drive is commonly deployed in applications requiring precise motor speed regulation, such as HVAC systems, pump and fan control, material handling equipment, and general industrial machinery. Its robust construction and integrated features facilitate its use in environments where dust and moisture are present, as indicated by the IP54 rating.

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 ATV21WU55N4 or contact our technical team for cross-reference assistance with compatible Altivar components.