A.C. Induction Motor
Quick description:
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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