All Weather Enclosure for TMdriveMVe2 Medium Voltage VFDs

TMdrive-Guardian is an innovative thermal management solution for air-cooled VFD. Rated for NEMA Type 3R, this enclosure is ideally suited for a wide variety of applications such as new installs, retrofits, energy audit upgrades, and reactive power compensation.

TMEIC manufactures high-quality, reliable air-cooled medium voltage Variable Frequency Drives (VFD). The TMdrive-MVe2 is TMEIC’s world-class drive solution for powering a variety of rotating machinery such as pumps, compressors, fans, blowers, extruders and other driven equipment.

TMdrive-Guardian Features and Benefits
Design Feature
Customer Benefit

NEMA Type 3R Rated

The enclosure provides protection against dirt, rain, sleet, snow, windblown dust, water

Wide Ambient Temperature Rating

Designed to operate in the most extreme temperature ratings: -40°C to +50°C (122°F)*1

HVAC Eliminated

Saves an average of $10,000 - $15,000 per year in HVAC costs alone when compared to an industrial control building or MCC room with cooling improvements*2

Black Start Intelligence

Enclosure prevents thermal shock to VFD components when starting under extended shutdown situation in extremely cold ambient

No Air Filters Required

The innovative air-flow technique eliminates filters, the need for frequent filter replacement*3

Easy Installation

No building required, saving construction and development costs associated with E-houses or industrial buildings

Plug and Play Installation

Self-sufficient enclosure. Three cables in, three cables out. No external 480V or 120V connections, only utility mains, control cables, and motor leads.

Reduces Tax Liability

The enclosure is classified as weatherproof, free-standing equipment, eliminating the need for real estate improvement that attracts property taxes

Made in America

The enclosure is designed, assembled and tested in the U.S.A.


*1 +50°C applicable with appropriate VFD sizing

*2 Estimate based on 1890kVA TMdrive-MVe2 running 80% of the time, industrial electricity rate = 6.51¢/kWhr

*3 Filters provided on the VFD will need to be serviced and cleaned as per installation site


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