The Schneider Electric Altivar 21W (ATV21W) variable speed drive is engineered for efficient motor control in HVAC applications, specifically for pumps and fans. This model, the ATV21WD37N4C, delivers robust performance with a rated motor power of 37 kW, equivalent to 50 horsepower, suitable for demanding environmental conditions.

Technical Details

• Series: Altivar 21W (ATV21W)
• Motor Power Rating: 37 kW
• Motor Horsepower Rating: 50 HP
• Voltage Class: 400V AC (indicated by '4' in the part number)
• Control Type: Variable Speed Drive
• Enclosure Type: Designed for specific environmental conditions (refer to manufacturer datasheet for full details)
• Nominal Current: 70 A (typical for this power rating and voltage class, verify with datasheet)
• Frequency: 50/60 Hz

Applications & Compatibility

This variable speed drive is commonly deployed in commercial and industrial HVAC systems to optimize pump and fan operation. Its capabilities make it ideal for controlling variable flow systems in building management, water treatment facilities, and ventilation networks, ensuring energy efficiency and precise environmental 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 ATV21WD37N4C or contact our technical team for cross-reference assistance with compatible Altivar components.