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IEEE 841

IEEE 841 Motors (TEFC) are premium efficient motors specifically suited for Pulp & Paper mills, Steel mills, Petrochemical plants and diverse demanding applications requiring severe duty long life motors.

Features that make a difference:

  • 1.25 service factor up to 100 HP
  • InproSeal bearing isolators at both ends
  • Bearing protection meets IP56
  • Rubber lead separator between terminal box and frame
  • Vibration: 0.04 inches per second or less
  • Guaranteed foot flatness to within 0.005”
  • Bearing life 50,000 hours (L-10)
  • Epoxy paint system exceeds 250 hours salt fog test
  • Interior surfaces are epoxy coated
  • Non-sparking fan
  • NPT threaded terminal box
  • Seamless copper lead lugs
  • Seamless stainless steel grease extension tubes
  • Automatic grease relief fittings
  • IEEE 841 test report in conduit box
  • Suitable for IEEE45 and USCG 256- Marine Duty
  • Class F insulation (Impregnation resin and magnet wire are Class H)
  • F1 mounted (F2 convertible). Frames 447T and up can easily be F2 converted by simply rotating the terminal box adapter
  • All frames with regreasable ball bearings
  • Class 1, Div. 2, Groups A. B, C & D – T3, Class 2, Div. 2, Groups F & G – T3C

Inverter Rated:

  • 1000 : 1 for variable torque
  • 20 : 1 constant torque
  • *Frames 586/7 250HP and up 1000:1 VT and 6:1 CT

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