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Liquid cooled VFDs offer numerous advantages over air-cooled VFDs.  We can install liquid cooled VFDs in sealed cabinets where air cooled VFDs would not survive.  They are extremely reliable, and all of the power components are kept at a much more uniform temperature, extending the life expectancy of the drive.  Some of the benefits of Vacon’s Liquid Cooled Drives:

• Wide Power Range 5HP to 7000HP at both 480VAC and 600VAC.
• Highest Power Density on the market.
• Lightweight.
• VFDs can be installed easily in explosion proof enclosures for Class 1 Div 2 and Div 1 areas.
• Open-Loop cooling systems using potable water are very cost effective, but if potable water is not available, closed loop Glycol systems can be employed.
• We do not need to de-rate liquid cooled VFDs for altitude.
• Common DC-Bus modules are available.

3Phase, together with Vacon, can offer an off the shelf cooling solution, or design a cooling solution specifically for your environment, taking considerations such as size, ease of maintenance, and ambient temperature into account.  Applications that we have experience in include underground mining, drilling, and marine propulsion.