W22 TEFC

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With cast iron frame, flexible mounting, solid and whole feet, and lower noise levels and operating temperatures, the W22 motors are perfectly suitable for a great variety of industrial applications.

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Ventilation System

The ventilation system design of the W22 line provides lower noise levels and allows a better distribution of the air flow over the motor, which minimizes hot spots on the surface and increases reliability and useful life.

The fan cover made of cast iron offers greater impact resistance IEC 160 / NEMA 254T and larger and all IEEE 841 (IEC 63-132 / NEMA 143T-215T standard W22 are heavy gauge stamped Steel)
Terminal box and eyebolts positioned so as to reduce the air flow dispersion
Lower operating temperature on the bearings, resulting in longer lubrication intervals

Frame

The frame design reduces the air flow dispersion and contributes to increased heat exchange between the motor and the environment, reducing hot spots on the frame surface and extending the bearing lubrication intervals.

Endshields

Designed to improve the cooling and provide lower operating temperatures of the bearing, in addition to extending lubrication intervals.

D-Endshield

Bearing hub displaced toward the outside of the endshield
Lower operating temperature
Robust structure to minimize vibration and increase heat dissipation

ND-Endshield

Optimized air flow
Reduction of noise levels
Robust structure to minimize vibration

Terminal Box

The increase in the internal space of the terminal box simplifies the access to the terminals, ensuring easy and safe electrical connections during the installation and maintenance of the motor.

The connection system of the terminal box allows easy modification of the motor mounting on the larger frames (IEC 225 / NEMA 447T and above), reducing the time to perform the change and the number of motors in stock.

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W22 TEFC

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