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Machine Design

Variable-torque drive

The VLT automation VT drive is engineered to save energy, reduce up front and operating costs, and maximize uptime in industrial variable-torque fan, pump, blower and compressor applications. The drives are available for 240 and 480-Vac single and three phase, or 575 and 690-Vac threephase operation with 0.5 to 1,400 hp.

A smart logic controller eliminates ancillary equipment to reduce installed costs, and main disconnects and integral fusing further reduce installation cost by reducing panel space requirements. Dedicated pump functions simplify programming and commissioning. The drives feature an integrated dc link that eliminates the need for external filters, along with intelligent heat management to remove excessive heat. An ambient temperature rating of 50°C without derating eliminates the need for expensive cooling add-ons.

Danfoss VLT Drives
4401 N. Bell School Rd.
Loves Park, IL 61111
(800) 432-6367

© 2011 Penton Media, Inc.

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