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TEFC Wound Motor

THREE PHASE AC MOTORS - WOUND ROTOR, TEFC

TEFC Wound Motors are robust, energy-efficient three-phase AC motors designed for high-torque, low-speed industrial operations. Their enclosed design ensures protection against dust and moisture, making them ideal for demanding applications in cement, steel, mining, and power sectors. These motors offer reliable performance in harsh and continuous-duty environments.

Features
  • Foot / Flange mounting with single shaft extension
  • Class ‘F’ insulation, Class ‘B’ Temperature Rise
  • Cast Iron body
  • Cast Iron end covers
  • Optimum fan design for better cooling and minimum energy consumption
  • Rigidly sealed Terminal Box at RHS when viewed from drive end
  • Suitable for flexible direct coupling or belt drives with Load GD2 equal to Motor GD2
  • Suitable for starting with external resistance in the rotor circuit
  • Bi-directional rotation

Specifications

IS : 325

General Requirements

BS : 4999

Rating & Performance

IEC: 34-1

Dimensions, foot mounted IS

1231

Dimensions, flange mounted

IS: 2223

  • Mills
  • Conveyors
  • Machine Tools
  • Mixer
  • Fans
  • Crushers
  • Material Handling
  • Motors for high inertia loads
  • Supply voltages 220/380/400/440/660V
  • Supply frequency 60Hz
  • Motors to suit for customised duty cycle
  • Thermister and anti-condensation heaters
  • Dual voltage motors

Input Voltage (V)

415V +/-10%, 3 Ph AC

Frequency (Hz)

50 +/-5%

Insulation

F

Duty

S1

Protection

IP 55

Enclosure

IC 411

Ambient

0 – 50°C

Rating

7.5 – 75 kW

Frame Size

180 – 280

  • Application
  • Mounting
  • Input supply condition & % variation
  • Load GD2
  • Method of power transmission

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