Leeson, High Eff., 20 HP, 840 RPM, 208-230/460V, 324T, TEFC, Rigid (Discontinued)

General purpose, 3-phase motor: 20hp, 840 rpm, totally-enclosed fan-cooled (tefc) enclosure, 324 frame, rigid mount, 208-230/460v, 3ph, 60hz, name plate amps 54/27, continuous duty, 1.15 service factor, no thermal protection, efficiency: 91, efficiency type: standard, ambient 40 c, reverse rotation.totally enclosed fan cooled (tefc) enclosure has no vent openings, and is tightly enclosed to prevent the free exchange of air, but is not airtight. An external fan is an integral part of the motor and provides cooling by blowing air around the outside frame of the motor. Suitable for use where exposed to dirt or dampness, but not very moist or hazardous (explosive) locations. Rigid base allows motor to be rigidly mounted on equipment.