Offering unmatched value in installed cost and functionality for centrifugal pump and fan applications, the Altivar 21 AC drive offers just the right solution for OEMs and control panel builders. The Altivar 21 is designed specifically for pump and fan applications and delivers extraordinary payback by:

• Reducing installation costs by eliminating throttling valves or inlet guide vanes typically used to control flow.
• Adjusting flow rates based on actual system needs for better energy management.
• Easily integrating into building management systems by using internally mounted option cards to connect to Lonworks, BACnet, MetaSYS N2 and APOGEE P1 FLN networks.
• Reducing panel space requirements by eliminating the need for costly externally mounted gateways and power supplies, as well as enabling side-by-side mounting with de-rating.

Eliminating the need for line reactors and chokes for reducing harmonics

> Learn more about the Altivar 21 drive.

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> For more information, visit www.us.telemecanique.com