Processing Magazine

Motors Provide Protection Against Extreme Environmental Conditions

May 12, 2010
The motors are designed for severe operating conditions, are available in TEFC and WPII (weather protected) foot-mounted configurations. Standard voltages are 2300/4000 volts, 60 HZ. Stock motors are available in 3600, 1800 and 1200 RPM. They are available from stock from 200 HP through 1500 HP, three phase, in NEMA 449T through 05812 frame sizes. They feature form coil vacuum pressure impregnated (VPI) construction, high-pressure die cast aluminum rotors, all cast iron construction, NEMA Premium® Efficiency and three year warranties. Other features include winding resistance temperature detectors (RTDs), provisions for bearing RTDs, space heaters, 1.15 service factor, cast iron conduit boxes, and field convertible from F1 to F2, and Division 2 Zone 2 operation. The motors are available with several shaft configurations. All speeds are designed for coupled applications. The motors are ideal for petro-chemical facilities, mining, foundries, pulp and paper mills, chemical refineries, waste management facilities, power plants, for use in tropical climates, and other environments causing corrosion.