W21 - Cast Iron Frame - EFF2 Improved Efficiency

( Up to 330 KW )

Applications:

Pumps
Fans
Crushers
Conveyors
Machine tools
Milling applications
Centrifugal machines
Presses
Elevators
Looms
Grinders
Woodworking
Cooling
Packaging equipment
Other severe duty applications

Standard Features:

Three-phase, multivoltage, IP55, TEFC
Output: 0.12 up to 330kW
Frames: 63 up to 355M/L
Voltage: 220-240/380-415V (up to 100L) / 380-415/660V (from 112M and up)
Class “F” insulation (_T=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 5007
*For additional details about Inverter operation, please contact our technical support.
*Special Insulation for voltage above 575V

Optional Features:

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.