A.C. Induction Motor

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Tormac offers a comprehensive range of A.C. Induction motors in standard and premium efficiency designs for wide range of applications. These motors are synchronous type with constant speed suitable for continuous duty operations. Stator is made of low watt loss steel laminations to deliver high efficiency. Dynamically balanced rotor and high quality bearings ensure vibration and noise free operations. The varnish impregnated windings are made of high-grade enameled copper wire. Shaft is made of high quality steel, precision ground of ample size for transmitting the rated horsepower. Construction of motor frames and usage of quality materials result in high performance and low temperature rise, thereby increasing the life cycle of the motor. High-grade cast iron / Die-cast Aluminum components machined with close tolerance and high quality, heavy duty bearings are used to ensure better efficiency and longer life. All three phase motors require adequate control systems with necessary protections. Motors are available with IE1(EFF-2), IE2(EFF-1), IE-3(Premium Efficiency) versions with B3, B5 & B14 mounting dimensions to cater various applications.

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Specification

Class of MotorI E1I E2I E3
TypeSquirrel Cage Induction MotorSquirrel Cage Induction MotorSquirrel Cage Induction Motor
Power Range0.37-315 kW, 3Ph, 380-415V, 50Hz0.75-315kW, 3Ph, 380-415V, 50Hz0.75-315kW, 3Ph, 380-415V, 50Hz
Pole2 Pole/4 Pole (6 Pole on request)2 Pole/4 Pole (6 Pole on request)2 Pole/4 Pole (6 Pole on request)
Speed2900 / 1450 rpm2900 / 1450 rpm2900 / 1450 rpm
Insulation Class“F”“F”“F”
ProtectionIP 44 / IP 55IP 55IP 55
DutyContinuous (S1)Continuous (S1)Continuous (S1)
Ambient Temp.40°C40°C40°C
EnclosureTEFCTEFCTEFC
MountingFoot / Face / FlangeFoot / Face / FlangeFoot / Face / Flange
Direction of RotationBi-DirectionalBi-DirectionalBi-Directional

Materials of Construction

Motor PartsFrame SizeMaterial
Stator frame56 – 132Aluminum alloy
160 – 355Cast iron
Endshield56 – 90Aluminum alloy
100 – 355Cast iron
Flanged endshield56 – 132Aluminum alloy
160 – 355Cast iron
Fan cover71 – 355Mild steel
Fan71 – 355Industrial nylon grade
Terminal box (3Ph)71 – 132Aluminum alloy
160 – 355Mild steel / Cast iron

Applications

  •  Machine Tools
  • Pharmaceutical Machinery
  • Blowers and Fans
  • Packaging Machinery
  • Air-Conditioners
  • Construction Equipments
  • Compressors
  • Agriculture
  • Material Handling Equipments
  • Food processing Machinery
  • Cranes and Hoist
  • Water treatment plants and
  • Textile Machinery
  • General Engineering
  • Cement Plant

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