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Three phase asynchronous motors
for
mains and inverter operation 0,05 - 30 kW
Construction:
- standard motor design IP 55 with die cast squirrel
cage rotor
- insulation for the tropics and moisture-proof
insulation
- by vacuum varnish impregnation
- insulation material class B
- noise-tested anti-friction bearings (lifetime
lubrication)
Special advantages:
- insulation suitable for inverter operation
without any restrictions (three layer insulating material);
phase separation in winding
overhang.
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Options:
- separately driven fan
- brakes
- pulse generator /
- gearing
- special shafts (also tapered shafts); special
bearing arrangements;
- special greases
- standstill heaters
- temperature switch (ETW), PTC thermistor (ETF),
other sensors
- higher insulating material classes (F, H)
- higher types of protection (max. IP 66)
- special voltages / frequencies, large voltage
tolerances
- vacuum-tight, water-cooled housing
- relubricating devices / oil and oil mist lubrication
- higher speed (approximately 30 000 min¨¹)
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Three-phase asynchronous
motors
for fan drives 0,05 - 15 kW
Construction:
- standard motor design IP 55 with die cast squirrel
cage rotor Insulation for the tropics and moisture-proof insulation
through vacuum varnish impregnation
- insulation material class B
- noise-tested anti-friction bearings (lifetime
lubrication)
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Special advantages:
For fans with a proportion of square of torque
to speed we have two series of driving motors:
- pole changing motors with 2 or 3 speed; power
adapted to square characteristic curve.
- infinitely / step-by-step variable motors with
speed close to standstill by varying voltage.
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Options:
- shaft fan motors
- special shafts / shaft bearing arrangements, special greases
- standstill heaters
- temperature switch (ETW), PTC thermistor (ETF)
- higher insulation material classes (F, H)
- higher types of protection (max. IP 66)
- special voltages / frequencies, large voltage tolerances
- vacuum-tight, water-cooled housing
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