Variable Torque Drives offer 98% operating efficiency.

Press Release Summary:




Models VLT 4152 and VLT 4352 are modular, 110-250 kW/150-350 hp units with NEMA12/IP54 rating. They include built-in RFI performance to EN 55011 class B. Power termination design facilitates installation, accepting single box lug or dual cable legs. Logic routing includes tie-down provisions to protect against noise disturbance. Ambient temperature ratings are 40-45°C in VT mode, and 50°C with changes in switching pattern.



Original Press Release:



VLT 4000® Drives Optimized for Higher Performance Operation



LOVES PARK, IL -- Danfoss Drives releases a redesigned version of its popular VLT 4000 series. The new 110-250kW/150HP-350HP units have been optimized to provide increased reliability, higher performance, lower installation costs and lower overall costs of ownership.

The new units, VLT 4152 and VLT 4352, provide an optimized variable torque solution for industrial applications. The enhanced design gives customers greater ease of installation, reducing the time and costs associated with mounting and commissioning and reducing costs. The new units use the same operating software as the rest of the VLT 4000 series.

Benefits of the new VLT 4000 design include:
o Space savings - the new designs are on average 35% smaller than their predecessors, with the smallest NEMA12/IP54 full-featured drive on the market
o Lower cost - modular construction allows users to buy only what is needed
o Easy retrofit - operating software and options remain the same
o High reliability - optimized design simplifies mounting and wiring and reduces the overall number of components
o High quality - each unit us built using the latest manufacturing techniques combined with extensive testing and burn-in
o Increased performance - higher ambient temperature, improved EMC performance and higher dynamic brake duty cycle
o Easy maintenance and service - drive design focused on maintenance and service to ensure continuous operation
o Easy installation - the customer-reviewed designs ensure greater ease of installation

Enhanced features include:
o Built-in RFI performance to EN 55011 class B available
o Integral disconnect with option of available fuses
o New power termination design for easy installation, accepting single box lug or dual cable legs
o Logic routing includes tie-down provisions to simplify installation and protect against noise disturbance
o 98 percent operating efficiency
o Options available from Rittal for easy installation of IP00 units in Rittal TS8 enclosures
o Ambient temperature ratings of 40-45 degrees C in VT mode, 50 degrees C with changes in switching pattern

Danfoss Drives is a leading global producer of precision mechanical and electrical components, with locations in more than 120 countries. We introduced the world's first mass-produced AFD in 1968, and have set the standard for motion control ever since.

For more information, contact: Danfoss Drives, 4401 N. Bell School Road, Loves Park, IL 61111; Phone: (800) 432-6367; Fax: (815) 639-8000; Email: salesinformation@danfoss.com; Website: www.namc.danfoss.com.

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