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Severe Duty, IEEE-841, Three Phase

Totally Enclosed, Rigid Base, NEMA Premium Efficient


For extreme applications in the process industries such as chemical plants, pulp and paper mills, refineries, above-ground mines, food processing, foundries, and other severe duty environments where long life and ultra-high efficiency are required. Guaranteed efficiencies offer an extra return on your investment when using these premium efficiency motors on high cycle or long run time applications.
  Severe Duty IEEE-841 Three Phase Totally Enclosed Rigid Base NEMA Premium Efficient
Meets or exceeds NEMA Premium® efficiencies, except where noted
NEMA Premium® models are in compliance with EISA2007
Meets IEEE-841 standard for severe duty applications
100% cast iron construction for rigidity and reduced vibration
Inpro/Seal® VBX® bearing isolators on drive end shaft extension TENV and on both ends of TEFC
Provisions to add stub shaft for an encoder (182T-449T, TEFC only)
Internal and external epoxy paint
Class F insulation system
Constant Torque speed range is listed in CT SPEED RANGE column
1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
Bearing caps (254T and larger)
Precision balanced to .08”/sec
Extended grease tubes, regreasable in service
Brass drain and breather
Meets General Motors GM 7E-TA Automotive Duty Specification
Meets IEEE45 USCG Marine Duty, API RPI4F for offshore platforms, IP56
Meets NEMA MG1 - 1.26.6 Waterproof specification
Hazardous Duty™ Division 2 CSA certification nameplate
Division 2 / Zone 2 Class I (gases), Groups A, B, C, D
Meets temperature code T2B
Actual test and vibration data supplied with each motor
Ball bearings (except as noted)
UL Recognized (through 449T) and CSA Certified and CE Marked
Five year warranty
Models through 40 HP are capable of modification as follows:
1.25 Service Factor (sinewave only)
50HZ at same HP, 1.0 Service Factor (sinewave only)
Any nameplate changes are subject to modification charges
Contact Intelliworks HT for optional nameplate markings on 50 HP and larger


Please contact Intelliworks HT for volume discount. Pricing effective April 2014