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ENERGY EFFICIENT MOTORS |
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| Range |
| Supply Voltage |
upto 6600V |
|
| Output |
100kW to 1250kW |
| IEC Frame Size |
315 to 450 |
| Supply Frequency |
50 Hz and 60 Hz |
| Number of Poles |
2 Pole to 8 Pole |
| Type |
Squirrel Cage (SCR) |
| Enclosure |
TEFC (Surface Cooled) |
| Cooling |
IC4A1A1 |
| Degree of Protection |
IP55 |
| Mounting |
Horizontal foot
mounted |
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Vertical Flanged
Mounted |
Special Execution
(in
squirrel cage)
|
a) Nonsparking type ’n’ to IS
9628
b) Increased safety type ’e’ to IS
6381
c) Motors for Solid State Control
(VVVF) |
| Standards |
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Specification |
IEC34 - 1, IS 325, IS
4722 |
| Dimensions |
IEC 72-A, IS 8223, IS
2223 |
| Degree of protection |
IEC34 - 5, IS 4691 |
| Cooling |
IEC34 - 6, IS 6362 |
| Construction &
mounting |
IEC34 - 7, IS 2253 |
| Noise level |
IEC34 - 9, IS 12065 |
| Vibration |
IEC34 - 14, IS 12075 |
| Testing |
IEC34 - 1, JEC37, IS
325 |
| Applications |
| Pumps, Compressors, Fans, Blowers,
Mills, Crushers, Haulages, Conveyors, Agitators,
Ring Granulators, Rubber Mills, Rubber Mixers,
Disc Refiners, etc. |
| Method of cooling |
IC4A1A1 - TEFC Totally Enclosed
Fan Cooled(Surface Cooled) |
| Major Features |
Energy efficient surface cooled
motors |
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Robust Steel Frame |
| Solid Deep Rotor Bars in Single
Cage |
| Special Double Cage as per
Drive |
| Endshield Mounted Bearings |
| Antifriction Bearings |
| Dynamically Balanced Rotors |
| Stringent Quality
Checks |
| Highly reliable Class 'F' Insulation
with Class 'B' temp. rise |
| High efficiency |
| Low noise levels |
| Low vibration levels |
| Ease of Maintenance |
| Space Heaters |
| Other Features |
Phase Segregated Terminal Box
(Fault withstanding type) for HT only |
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Winding Temp. Detectors (RTD)
for HT, PTC thermisters for LT. |
| Bearing Temp. Detectors (RTD) |
| Bearing Temp. Indicators (Dial
Type) |
| Mounting of Vibration
Probes |
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