W21 – Cast Iron Frame – High Efficiency – IE2
Typical 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
Three-phase, multivoltage, IP55, TEFC
- Output: 0.12 up to 330 kW
- Frames: 63 up to 355M/L
- Voltage: 220-240/380-415V (up to 100L) / 380-415/660V (from 112M and up)
- Class “F” insulation (ΔT = 80K)
- Continuous duty: S1
- Design N
- Ambient temperature: 40 °C, at 1000 m.a.s.l
- Squirrel cage rotor/Aluminium die cast
- V’Ring on both endshields
- Stainless steel nameplate AISI 316
- Dimensions according to IEC-72
- Performance characteristics according to IEC 34
- Regreasing nipple from frame 225S/M and above
- Metric threaded cable entries on the terminal box
- Thermistors (1 per phase) fitted in frame 160M and above
- Suitable for inverter duty applications
- Color: RAL 5009
*For additional details about Inverter operation, please contact our technical support.
*Special Insulation for voltage above 575V
Optional Available
- Degree of Protection: IP56, IP65 or IP66
- Bearing seals:
- Lip seal
- Oil seal
- Labyrinth taconite seal and W3seal for frames 90S and above
- Thermal protection:
- Thermistors: frame 132M and below
- Thermostats
- RTD-PT 100
- Space heaters
- Design H
- Class “H” insulation
- Roller bearings for frame 160M and above
More options available, on request.
Brochure
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Technical Articles
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Technical Manual
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