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PRODUCTS // WEG // W22 IE4 motor Cast Iron Frame


Super Premium efficiency cast iron frame IP55 motor complying with IE4 efficiency levels according to IEC Technical Specification IEC/TS 60034-31 and draft IEC Standard 60034-30 edition 2.

Typical Application 

  • pumps


  • fans


  • crushers


  • conveyour belts


  • mills


  • centrifugal machines


  • presses


  • elevators


  • packaging equipment


  • grinders and others


Standard features

  •  Three-phase, multivoltage, IP55, TEFC;


  • Super Premium efficiency - complying with IE3 efficiency levels according to to IEC Technical Specification IEC/TS 60034-31 and draft IEC Standard 60034-30 edition 2;


  • Output: 3 up to 355 kW; 


  • Number of Poles: 2, 4 and 6; 


  • Frames: 132S to 355A/B; 


  • Mounting: B3T; 


  • Voltage: 220-240/380-415V / 380-415/660V; 


  • Class “F” insulation (T=80K); 


  • Continuous duty: S1; 


  • Design N; 


  • WISE® (WEG Insulation System Evolution) insulation system - Suitable for inverter duty applications*; 


  • Thermistors (1 per phase) for frames 160M to 355A/B; 


  • Ambient temperature: 40°C, at 1000 m.a.s.l.; 


  • Squirrel cage rotor / Aluminium die cast; 


  • V'Ring seal for frames 132S to 200L and for frames 225S/M to 355A/B; 


  • Stainless steel nameplate AISI 316; 


  • Fan Covers: steel made for frames 132S and 132M/L and cast iron made for frames 160M to 355A/B; 


  • Regreasing nipple for frames 225S/M to 355A/B; 


  • Metric threaded cable entries on the terminal box;


  • Color: RAL 6002 - Green.
    *For additional details about Inverter operation, please contact our technical support.
    *Special Insulation for voltage above 575V


Frequency: 60 Hz; 
Other voltages; 
Design H; 
Class “H” insulation; 
Thermostats or RTD-PT 100 on winings and bearings;

Thermal protection: 
Degree of Protection: IP56, IP65, IP66, IPW56, IPW65 or IPW66; 
Bearing seals: 
Lip seal ; 
Oil seal ; 
Labyrinth taconite seal and W3seal; 
Additional terminal box; 
Space heaters; 
Fans: Aluminum, Cast Iron and 
Drip cover for vertical applications; 
Double shaft end; 
Cable glands in plastic and brass; 
Blower kit (TEBC);
Roller bearings. 


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