| Item |
Standard Specifications |
| Type of Motor |
Totally enclosed air open (TEAO) induction motor |
| Design standards |
IEC 60034-1 |
| Voltage and Frequency |
Standard stock avaliable are:
220-240/380-415V/50Hz
for 2.2 KW & below
380-415/660-720V/50Hz for 3KW & above
other voltages such as 200V, 346V, 440V, 460V & 60Hz can be supplied on request
|
| Power Conditions |
± 5% of rated voltage and ± 1% frequency
± 1% phase unbalance |
| Time Duty |
Continous S1, MCR (S.F:1.0) |
| Cooling Method |
TEAO, rely upon the strong air flow of the fan or blower
which they are driving to cool them. |
| Method of Starting |
Full voltage direct on line starting or star-delta starting |
| Mounting |
Horizontal foot mounting, flange mounting: B3. B5. B14,
B35, V1 |
| Insulation class & Temperate Rise |
Adopting class F insulation and checking permissible
limits of temperature rise against that of class B to
improve the insulation reliability |
| Rotor Winding |
Squirrel cage, aluminium conductor with end-ring and
wafter blades integrally cast |
| Environmental Conditions |
Place: Non-hazardous, shaded
Ambient temperature: -20°C to 40°C
Relative humidity: Less than 90% RH(non-condesation)
Altitude: Up to 1,000 metres above sea level |
| Drive Method |
Belt service (Note: Frame Size 225 and above is for
coupling drive) |
| Direction of Rotation |
Standard motors are suitable for operation in either
direction of rotation. Direction of rotation of motor
can be reversed by inerchanging any two of the power lines |
| Test Procedure |
IEC and full voltage measuring starting operation |
| Fan Cover |
Pressed steel |
| Shaft |
Carbon Steel, round shaft with key |
| Bearing |
Grease pre-packed shielded ball bearing |
| Lubrication |
Lithium-base grease (Shell Alvania R3) |
| Painting |
Phenolic rust-proof base plus lacquer surface finish.
Painting in blue |
| Nameplate |
Stainless steel for WY-WY / Aluminium for MS-YF |
| Ground Terminal |
NE set inside the terminal box |
