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Variable Frequency Drives feature ratings up to 690 Vac.

Press Release Summary:

Engineered to meet water and wastewater application demands, VLT® 8000 AQUA series is comprised of models rated from 125-600 hp, 380-500 Vac and 50-400 hp, 525-690 Vac. Products provide variable- or constant-torque operation at 98% operating efficiency. Available in 2 frame sizes with Chassis/IP00, NEMA1/IP21, or NEMA12/IP54 enclosures, drives have modular construction, built-in Class A2 RFI filtering, and integral disconnect with option of fuses.

Original Press Release:

Variable Frequency Drives for Water and Wastewater now Available for High Power 690VAC Operation

MILWAUKEE, WI -- Danfoss Water and Wastewater introduces a new high power platform for VLT® 8000 AQUA series variable frequency drives. The new design extends the product range of the VLT 8000 AQUA Series and provides increased flexibility, cost-effectiveness and reliability. Specifically engineered for the unique demands of water and wastewater applications, the new drives are available in 125-600 HP / 90-200 kW (380-500 VAC) and 50-400 HP / 45-400 kW (525-690VAC).

VLT 8000AQUA drives provide variable or constant torque operation at 98% operating efficiency. They are available in two frame sizes with Chassis/IP00, NEMA1/IP21 or NEMA12/IP54 enclosures, which have the smallest available footprint of the world's top five competitive units available today.

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 degrees C in VT mode, 50 degrees C with changes in switching pattern.

Danfoss is a leading manufacturer of precision mechanical and electrical components, with locations in more than 120 countries. Danfoss created the VLT name when they introduced the world's first mass-produced VFD in 1968, and the name has set the standard for high performance quality variable frequency drives ever since.

For more information, contact: Danfoss Water & Wastewater, 8800 W. Bradley Road, Milwaukee, WI 53224; Phone: (800) 621-8806; Fax: (414) 355-6117; Email:; Website:

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