T-T Electric Mill Duty DC Motor Range

T-T Electric Mill Duty DC Motor Range

Outputs up to
187 kW (250 HP)

Frame sizes 802-818

We supply DC motors from the T-T Electric Mill Duty DC motor range from stock or built to order with modifications and special options available. Shafts can be supplied to non-standard dimensions with other modifications available including drive-end roller bearings, shaft grounding ring, bearing & temperature sensors, brake, corrosion protection tacho & encoder.

  • Suitable for operation with adjustable DC voltages
    from thyristor convertors (230 V – 460 V – 500 V)
  • Fully laminated stator, main poles and interpoles
  • Fully compensated machines ensuring good
    commutation also in the field weakening range
  • Convertible motors from TEFV (Totally Enclosed Force
    Ventilated) to TENV (Totally Enclosed Non Ventilated)
  • Removable and replaceable shaft with
    two tapered extensions
  • D-end and N-end heavy duty roller bearings
  • Easily removable bearing housings
  • Insulation class H with temperature rise limited to 110
    °C for longer life expectancy
  • High dynamic response, with a current change rate of
    250 times the nominal current per second
  • A large number of options and accessories ensuring
    high flexibility
  • Max armature voltage 500 V

We also provide a full repair and rewind service to existing motors with commutator machining & undercutting, armature, field & interpole rewind, brushgear refurbishment with supply of replacement carbon brushes. Other mechanical repairs we carry out include bearing journal and housing rebuild and machining, motor case welding, rebuild and replacement of force ventilation blower unit and supply of replacement drive pulleys & couplings.

Our site engineering team provides a service where we attend your site to survey your plant, carry out testing on your existing motors & advise on suitable replacements & maintenance scheduling.


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TT Electric motors