W21 – Cast Iron Frame – Premium Efficiency – IE3
Applications
- Pumps
- Fans
- Crushers
- Conveyors
- Machine tools
- Milling applications
- Centrifugal machines
- Presses
- Elevators
- Looms
- Grinders
- Woodworking
- Cooling
- Packaging equipment
- Other severe duty applications
Description
Standard Features
- Output: 0.12 up to 315kW
- Multivoltage (220-240/380-415//440-460V or 380-415/660-690//440-460V)
- Self Ventilated (TEFC)
- Cast iron frames (63 up to 355M/L)
- Mounting: B3T
- Degree of Protection: IP55
- Terminal block
- Squirrel cage rotor/Aluminium die cast
- V’Ring on both endshields
- Stainless steel nameplate AISI 316
- Class “F” insulation
- Continuous duty – S1
- Ambient temperature: 40 °C , 1000 m.a.s.l
- Regreasing nipples from frame 225S/M and above
- Metric thread cable entries in terminal box
- Thermistors (1 per phase) fitted in frame 160M and above
- Suitable for Inverter Duty applications *
- Paint color: RAL 5009 (blue)
*For additional details about Inverter operation, please contact our technical support.
*Special Insulation for voltage above 575V
Optional Features
- Single voltage (other voltages)
- Degree of Protection: IP56, IP65 or IP66
- Other mounting configurations
- Ventilation Motor, TEAO
- Forced Ventilation, TEBC
- Thermal protection:
- Thermistors for frame 132S and below (Standard for frame 160 and above)
- Thermostats
- RTD-PT 100
- Space heaters
- Class “H” insulation
- Roller bearings for frame 160M and above
Brochure
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Technical Articles
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Technical Manual
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