Part of the Schneider Electric Altivar 21 series, the ATV21WD55N4C variable speed drive is engineered for precise control of 3-phase asynchronous motors. This drive is specifically designed for HVAC applications, including pumping and ventilation systems, where optimized energy consumption and operational reliability are critical. Its robust construction ensures performance in demanding industrial environments.

Technical Details

• Series: Altivar 21 (ATV21)
• Motor Power Rating: Up to 55 kW (approximately 75 HP)
• Input Voltage: 400-480V AC, 3-phase
• Output Voltage: 400-480V AC, 3-phase
• Control Type: Variable Frequency Drive (VFD)
• Enclosure Type: Designed for specific environmental conditions (verify with datasheet for precise IP rating)
• Mounting: Typically panel-mount (verify with datasheet)
• Communication Protocol: Modbus RTU (standard, verify with datasheet for optional cards)

Applications & Compatibility

The Schneider ATV21WD55N4C is commonly deployed in building automation systems and industrial facilities for controlling fans, pumps, and other variable torque loads. Its compatibility extends to various HVAC equipment, including air handling units, chillers, and cooling towers, where precise speed adjustment leads to significant energy savings and reduced wear on mechanical components.

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 ATV21WD55N4C or contact our technical team for cross-reference assistance with compatible Altivar series components.