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IEC Metric

IEC Metric Motors (TEFC) are designed and built according to European IEC34 and IEC79 standards.

Features that make a difference:

  • 1.25 service factor for 60 HZ operation (IE3)
  • 1.15 service factor for 60 HZ operation (IE2)
  • Optimized ventilation system for cooler operation and reduced noise levels
  • Solid base for reduced vibration levels (Cast iron frames)
  • Frames 225 & up can easily be F1 (B3L) converted by simply rotating the terminal box adapter or F3 by removing it
  • Aluminum frames have removable feet for easy F1, F2 and F3 (B3L, B3R, B3T) conversion
  • Terminal blocks
  • Class F insulation (Impregnation resin and magnet wire are Class H)
  • F2 mounted as standard (F1 convertible)
  • Regreasable ball bearings (Frames 160 and up)
  • Class 1, Div. 2, Groups A, B, C & D – T3, Class 2, Div. 2, Groups F & G – T3C (Cast iron frames only)
  • Suitable for WYE/Delta Start (W and Y voltage code motors)

Inverter Rated (IE3):

  • 1000 : 1 for variable torque
  • 12 : 1 constant torque

Inverter Rated (IE2):

  • 10 : 1 for variable torque
  • 4 : 1 constant torque

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