The Schneider Electric Altivar 21HD (ATV21HD) variable speed drive is engineered for precise control of 3-phase asynchronous motors. This specific model, the ATV21HD11N4, is designed for applications requiring robust motor management and energy efficiency. While this particular unit has been discontinued by the manufacturer, it remains a viable and reliable option for maintaining or upgrading existing systems that utilize this established technology.

Technical details

• Series: Altivar 21HD (ATV21HD)
• Power Rating: 11 kW (15 HP)
• Input Voltage Class: 380-415 VAC, 3-phase
• Output Frequency Range: 0 to 500 Hz
• Motor Control Type: Vector control (sensorless) and scalar control
• Enclosure Type: IP20
• Mounting: Wall or panel mount
• Communication Options: Modbus RTU is a standard protocol for this series; verify specific options for this model.

Applications & compatibility

This variable speed drive is well-suited for a wide range of industrial applications including HVAC systems, pumps, fans, and material handling equipment. Its robust design and control capabilities make it compatible with machinery found in manufacturing plants, water treatment facilities, and commercial building management systems. Ensure compatibility with your specific motor and control architecture by consulting the manufacturer's datasheet.

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 ATV21HD11N4 or contact our technical team for cross-reference assistance with compatible Altivar components.