General Purpose Motors/3 Phase High Efficiency (IE2)/WE Series (Cast Iron Frame)/WE Series – High Efficiency (IE2) 3 Phase Cast Iron Induction Motor

WE Series – High Efficiency (IE2) 3 Phase Cast Iron Induction Motor

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ATT WE Series compromises of 3-phase, squirrel cage, IE2 high efficiency (IEC 60034-30-1) motors in Cast Iron frame. ATT WE series motors are all-purpose and highly efficient, making them well-suited for general application machines. Our WE series induction motors are widely recognized by their optimum performance even in challenging work conditions.

 

Our WE Series motors are designed to meet and even exceed the requirements for energy efficiency such as European IE2, CEMEP-EU (EFF1), Australia (Level 1B) and GB18613-2006. It is ideal to use in pumps, compressors, fans, carpentry and other mechanical equipment.

 

It can be also be utilised in a diverse range of industries like metallurgy, petroleum, cement and paper production, chemical, and especially for high duration and high capacity operations. Furthermore, the ATT WE series induction motor is suitable to use in various types of general used machinery like pumps, machine tools, fans, compressors, transportation, and a lot more. It can also be used in hazardous areas for oil, steel, chemical, and mining sectors.

Item Standard Specifications
Type of Motor Totally Enclosed Fan Cooled (TEFC) Squirrel Cage Cast Iron Induction Motor
Design Standard IEC 60034-1
Framesize 80-355L
Voltage and Frequency Standard stock available are:

220-240/380-415V/50Hz for 2.2 KW & below

380-415/660-720V/50Hz for 3KW & above

Other voltages & frequency such as 200V, 346V, 440V & 60Hz can be supplied on request
Power Conditions ± 5% of rated voltage and ± 1% frequency± 1% phase unbalance
Efficiency Standard IE2 (IEC 60034-30-1)
Time Duty Continuous S1
Cooling Method Self external fan, surface cooling (IC 411)
Method of Starting Full voltage direct on line starting or star-delta starting
Insulation & Temperature Rise Class Class F insulation and Class B temperature rise
Degree of Protection IP55
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% relative humidity (non-condensation)

Altitude: Up to 1,000 metres above sea level
Direction of Rotation Standard motors are suitable for operation in either direction of rotation of shaft.

Direction of rotation can be reversed by interchanging 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 ATT IE2 Green
Ground Terminal NE set inside the terminal box

 

Other Options Available (Contact ATT to inquire for other options)
VSD Driven Inverter duty motor suitable for VSD operation
Heaters Space heaters (110V/220V/1ph) or winding heaters available on request
Thermal Protection PTC thermistor 150°C
Insulation Class Class H
Degree of Protection Up to IP66

The table below contains the various types of mounting available for WE Series motors. If you are unable to find the dimensions to the mounting you prefer, please contact us for the outlining dimensions.

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