Danfoss debuts high-power VFD platform for process applications

Loves Park, IL—Danfoss has introduced a new high-power platform for its VLT 5000 Series variable frequency drives.


Loves Park, IL— Danfoss has introduced a new high-power platform for its VLT 5000 Series variable frequency drives. The company says its new design reportedly extends VLT 5000’s product range and provides increased flexibility, cost-effectiveness, and reliability.

Engineered to satisfy the full constant or variable torque demands of virtually any industrial process application, VLT 5000 drives are available in 125-500 hp (380-500 V ac) and 40-350 hp (525-690 V ac). Likewise available in the new sizes is VLT 5000’s Flux version, which provides servo-like performance using standard asynchronous ac motors. For variable torque applications, VLT 4000 VT Series dedicated variable torque drives are available in 100-400 hp (525-600 V ac).

Danfoss adds these drives are available with three distinct enclosures: Chassis/IP00, NEMA1/IP21 and NEMA12/IP54, which reportedly has the smallest available footprint of the world’s top five competitive units presently available. Modular construction allows users to buy only what is needed, and operating software and options facilitate easy retrofitting. The optimized design simplifies installation and reduces the overall number of components for ease of use and maximum reliability and up-time.

Additional features and options include: built-in Class A2 RFI filtering as standard; integral disconnect with option of available fuses; power termination design for easy installation, accepting single box lug or dual cable legs; logic routing with tie-down provisions to simplify installation and protect against noise disturbance; and ambient temperature ratings of 40-45 °C in VT mode, 50 °C with changes in switching pattern.

Control Engineering Daily News Desk
Jim Montague, news editor

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