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Three-phase induction multispeed motors

 

Description of the catalogue motors:

 

general purpose motors; temperate climate,
duty S1,
rated voltage 400V,
frequency 50 Hz,
ambient temperature from -15°C to +40°C,
standard paint colour RAL 5010.

 

Industrial multiple-speed motors are design for general application as well as for driving centrifugal machines such as fans. Multiple-speed motors can be applied where a rough grading of speed is acceptable. In these motors the operation at two or more fixed speeds is obtained by changing the magnetic poles.

 

Multiple-speed motors can be either single winding - Dahlander connection where speed ratio is 2 to 1 or two separate windings where speed ratio other than 2 to 1 can be obtained. Single winding motors are designed for direct starting from the supply and are single voltage.

Motors designed especially for driving centrifugal machines are marked 'W'. These motors have power ratings that vary as the square of the speed, while torque varies directly with the speed. Variable torque motors are typically used on applications such as fan, blowers and centrifugal pumps.



symbol rated output [kW] rated output [HP] rated speed [rpm] rated voltage 1 [V] current at rated voltage 1 [A] frequency [Hz]
Sh 71-4/2A » 0,28 0,37 2800 400 1,25 50
Sh 71-4/2AW » 0.28 0.37 2800 400 1.25 50
Sh 71-4/2B » 0.45 0.60 2820 400 1.62 50
Sh 71-4/2BW » 0,5 0,67 2800 400 1,9 50
Sh 71-6/4A » 0,18 0,24 1400 400 1,1 50
Sh 71-6/4B » 0,25 0,34 1350 400 1 50
Sh 71-6/4C » 0,37 0,50 1420 400 1,4 50
Sh 71-8/4AW » 0,18 0,24 1420 400 0,7 50
Sh 71-8/4BW » 0,25 0,34 1430 400 1,2 50
Sh 80-4/2A » 0,55 0,74 2750 400 1,7 50
Sh 80-4/2AW » 0,55 0,74 2750 400 1,7 50
Sh 80-4/2B » 1 1,27 2780 400 2,4 50
Sh 80-4/2BW » 1 1,27 2780 400 2,4 50
Sh 80-6/4A » 0,37 0,50 1390 400 1,2 50
Sh 80-6/4B » 0,55 0,74 1410 400 1,5 50
Sh 80-6/4C » 0,75 1,00 1410 400 2 50
Sh 80-8/4A » 0,4 0,54 1350 400 1,1 50
Sh 80-8/4AW » 0,4 0,54 1350 400 1,1 50
Sh 80-8/4B » 0,55 0,74 1350 400 1,4 50
Sh 80-8/4BW » 0,55 0,74 1350 400 1,5 50
Sh 90-4/2L » 1,4 1,90 2750 400 3,6 50
Sh 90-4/2S » 1,1 1,50 2780 400 2,7 50
Sh 90-8/2L » 0,9 1,21 2850 400 2,6 50
Sh 90-8/4L » 1 1.30 1380 400 2.5 50
Sh 90-8/4S » 0,7 0,94 1380 400 1,75 50



 

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