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 Motor I E1 I E2 I E3
Type Squirrel Cage Induction Motor Squirrel Cage Induction Motor Squirrel Cage Induction Motor
Power Range 0.37-315 kW, 3Ph, 380-415V, 50Hz 0.75-315kW, 3Ph, 380-415V, 50Hz 0.75-315kW, 3Ph, 380-415V, 50Hz
Pole 2 Pole/4 Pole (6 Pole on request) 2 Pole/4 Pole (6 Pole on request) 2 Pole/4 Pole (6 Pole on request)
Speed 2900 / 1450 rpm 2900 / 1450 rpm 2900 / 1450 rpm
Insulation Class “F” “F” “F”
Protection IP 44 / IP 55 IP 55 IP 55
Duty Continuous (S1) Continuous (S1) Continuous (S1)
Ambient Temp. 40°C 40°C 40°C
Enclosure TEFC TEFC TEFC
Mounting Foot / Face / Flange Foot / Face / Flange Foot / Face / Flange
Direction of Rotation Bi-Directional Bi-Directional Bi-Directional

Materials of Construction

Motor Parts Frame Size Material
Stator frame 56 – 132 Aluminum alloy
160 – 355 Cast iron
Endshield 56 – 90 Aluminum alloy
100 – 355 Cast iron
Flanged endshield 56 – 132 Aluminum alloy
160 – 355 Cast iron
Fan cover 71 – 355 Mild steel
Fan 71 – 355 Industrial nylon grade
Terminal box (3Ph) 71 – 132 Aluminum alloy
160 – 355 Mild 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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