W21 – Cast Iron Frame – Super Premium Efficiency – IE4
Applications
- 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
- Super Premium Efficiency
- Output: 3 up to 315kW
- Multi-voltage: 400/690//460V
- Cooling: TEFC
- Cast iron frames (132 up to 355)
- Mounting: B3T
- Degree of Protection: IP55
- Terminal block
- Squirrel cage rotor/ Aluminum die cast
- V-Ring on both end-shields
- Stainless steel nameplate AISI 316
- Class “F” insulation
- Continuous duty – S1
- Ambient temperature: 40 °C , 1000 m.a.s.l
- Re-greasing 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 6002
*For additional details about Inverter operation, please contact our technical support.
Optional Features
- Other single 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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