The Schneider Electric ATV21WU55N4ZH28 is a variable speed drive from the Altivar 21 series, engineered for precise motor control in demanding industrial environments. This unit is designed for 3-phase 400V systems and delivers a 5.5 kW (7.5 HP) output, making it suitable for a wide range of applications requiring adjustable motor speed and torque management.

Technical Details

• Series: Altivar 21 (ATV21)
• Power Rating: 5.5 kW (7.5 HP)
• Input Voltage: 3-phase 400V AC
• Output Current: 12 A
• EMC Filtering: Class A
• Control Type: Sensorless Vector Control
• Mounting Type: Wall-mount
• Enclosure Rating: IP20

Applications & Compatibility

This variable speed drive is commonly utilized in HVAC applications, pumping systems, and fan control where precise speed regulation is essential for energy efficiency and operational performance. Its robust design and Class A EMC filtering ensure reliable operation in environments with electrical noise, making it compatible with various industrial machinery and control systems.

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 ATV21WU55N4ZH28 or contact our technical team for cross-reference assistance with compatible Altivar 21 components.