How To Order Motor Spares

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MAIN PARTS FOR DIFFERENT TYPES OF MOTORS


For a standard AC motor (squirrel-cage)

  • Cooling fan
  • Fan cover
  • Drive end End-shield
  • Non-drive end End-shield
  • Drive end Flange (Flange shield)
  • Terminal Block/Terminal strip/Terminal board/Terminal Bar
  • Terminal Box (PVC/Metal Sheet/ Cast Iron)
  • Terminal box top cover

For Slip-ring motor, additionally

  • Slipring unit
  • Carbon brushes
  • Brush Holders
  • Brush holder spindle

For DC Motors

  • Commutator
  • Filer unit
  • Filter unit with Blower
  • Filter unit with Blower and AC motor
  • Other parts like Body, Shaft, Rotor with Shaft Oil seals, Bearings, O rings, Force cooling unit and FLP studs would also be available


You may be having Motors of different makes in your manufacturing unit. Here are the few points worth considering

Minimum information required to float an enquiry

  • Frame size with Prefix and suffix (e.g. ND100L or HX112M or PM132S…)
  • KW
  • Speed
  • Make
  • Machine no (if the motor is very old)

If the nameplate is not available

  • Mention Make
  • Give the centre height from shaft centre to base in mm (Standard frame size)
  • Speed to be measured by Tachometer
  • Name of the spare-part (Cooling Fan/Fan Cover/End Cover/ Terminal Block …..)
  • Dimensions

Important points to note:

  • The parts are not interchangeable across different make (For example, Crompton fan cannot be used in Kirloskar motor)
  • Parts are not interchangeable across different series of the same make (For example, ABB HX+160 Fan cannot be used in M2BA 160 of ABB)
  • Fans differ for different speeds of the same Make/KW/Frame (especially for 2 pole and 4 poles)


For any enquiries on Motor spare parts, please contact 7995080633 or spares@sirus.in.

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