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WE Series



WE series(EFF1) motors are three phase high efficiency totally enclosed fan cooled (TEFC) cast-iron asynchronous motor with IEC frame size from 63 to 355. It is designed to meet or exceed the requirements for energy efficiency such as: European IE2, Australia (Level 1B), Cemep-eu (Eff 1), SS530 and GB18613-2006.

The WE series is used in various industries such as petroleum, chemical, metallurgy, cement and paper production, especially for long-duration and high-capacity operations, including fans, pumps, compressors, etc

Item Standard Specifications
Type of Motor Totally-enclosed fan-cooled squirrel cage induction motor
Design standards IEC 60034
Time Duty Maximum continous rating, S1 duty
Cooling Method self external fan, surface cooling (IC 411)
Method of Starting Full voltage direct on line starting or star-delta starting
Mounting Horizontal foot mounting, flange mounting: B3. B5. B14, 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 Direct , unless otherwise specified
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 IEC60034-2, GB/T1032 efficiency by summation of losses method
Balancing Executed with half sized key IEC 34-14 ISO 8821
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 green
Nameplate Stainless steel
Ground Terminal NE set inside the terminal box