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Synchronous & Stepper Motors The Premotec permanent magnet stepper and synchronous motors combine high energy magnets in a cost effective "claw pole" design to give low operating temperature and a superior torque to size ratio. For the steppers, torques from 10 to 75 mNm and speeds from 300 to 1000 rpm are available, with a step angle of 7.5 degrees. All our steppers are available with unipolar or bipolar drive electronics. Rated torques for the synchronous motors run from 4 up to 33 mNm with a speed of 250 and 500 rpm (based on 50 Hz). Below is a list of our synchronous and stepper motor program.
 
Stepper
Synchronous
 
   
ST31BI
ST31 BI Output Power:
3.5 Watt
Nominal Voltage:
5 Volt
Nominal Torque up to:
45 mNm
Nominal Speed up to:
7500 rpm
Pull-in rate:
620 steps/s
Step angle:
7.5 º
Drive electronics:
Bipolar
Diameter:
51.0 mm
Length: 
28.0 mm
Compatible gearboxes: S52A, S70A, S70B
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ST31UNI
ST31 UNI Output Power:
3.8 Watt
Nominal Voltage:
5 and 12 Volt
Nominal Torque up to:
33 mNm
Nominal Speed up to:
800 rpm
Pull-in rate:
450 steps/s
Step angle:
7.5 º
Drive electronics:
Unipolar
Diameter:
51.0 mm
Length: 
28.0 mm
Compatible gearboxes: S52A, S70A, S70B
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ST32BI
ST32 BI Output Power:
2.0 Watt
Nominal Voltage:
5 Volt
Nominal Torque up to:
8.5 mNm
Nominal Speed up to:
3000 rpm
Pull-in rate:
800 steps/s
Step angle:
7.5 º
Drive electronics:
Bipolar
Diameter:
35.0 mm
Length: 
22.0 mm
Compatible gearboxes: S52A, S70A
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ST32UNI
ST32 UNI Output Power:
2.0 Watt
Nominal Voltage:
5 and 12 Volt
Nominal Torque up to:
7.5 mNm
Nominal Speed up to:
1000 rpm
Pull-in rate:
500 steps/s
Step angle:
7.5 º
Drive electronics:
Unipolar
Diameter:
35.0 mm
Length: 
22.0 mm
Compatible gearboxes: S52A, S70A
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ST35BI
ST35 BI Output Power:
5.0 Watt
Nominal Voltage:
5 Volt
Nominal Torque up to:
95 mNm
Nominal Speed up to:
1300 rpm
Pull-in rate:
570 steps/s
Step angle:
7.5 º
Drive electronics:
Bipolar
Diameter:
57.0 mm
Length: 
38.0 mm
Compatible gearboxes: S70A, S70B
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ST35UNI
ST35 UNI Output Power:
5.0 Watt
Nominal Voltage:
5 and 12 Volt
Nominal Torque up to:
80 mNm
Nominal Speed up to:
450 rpm
Pull-in rate:
300 steps/s
Step angle:
7.5 º
Drive electronics:
Unipolar
Diameter:
57.0 mm
Length: 
38.0 mm
Compatible gearboxes: S70A, S70B
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ST36BI
ST36 BI Output Power:
5.0 Watt
Nominal Voltage:
5 Volt
Nominal Torque up to:
48 mNm
Nominal Speed up to:
750 rpm
Pull-in rate:
220 steps/s
Step angle:
15 º
Drive electronics:
Bipolar
Diameter:
57.0 mm
Length: 
38.0 mm
Compatible gearboxes: S70A, S70B
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ST36UNI
ST36 UNI Output Power:
5.0 Watt
Nominal Voltage:
5 and 12 Volt
Nominal Torque up to:
37 mNm
Nominal Speed up to:
900 rpm
Pull-in rate:
200 steps/s
Step angle:
15 º
Drive electronics:
Unipolar
Diameter:
57.0 mm
Length: 
38.0 mm
Compatible gearboxes: S70A, S70B
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SY31
SY31 Output Power:
3.5 Watt
Nominal Voltage:
24 to 220 Volt
Nominal Torque up to:
20 mNm
Nominal Speed up to:
250 / 300 rpm
Frequency:
50 Hz / 60 Hz
Diameter:
51.0 mm
Length: 
28.0 mm
Compatible gearboxes: S52A, S70A, S70B
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SY32
SY32 Output Power:
0.8 to 1.7 Watt
Nominal Voltage:
24 to 117 Volt
Nominal Torque up to:
7 mNm
Nominal Speed up to:
250 / 300 rpm
Frequency:
50 Hz / 60 Hz
Diameter:
35.0 mm
Length: 
22.0 mm
Compatible gearboxes: S52A, S70A
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SY35
SY35 Output Power:
3.5 Watt
Nominal Voltage:
24 to 220 Volt
Nominal Torque up to:
33 mNm
Nominal Speed up to:
250 / 300 rpm
Frequency:
50 Hz / 60 Hz
Diameter:
57.0 mm
Length: 
38.0 mm
Compatible gearboxes: S70A , S70B
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SY36
SY36 Output Power:
6.0 Watt
Nominal Voltage:
24 to 220 Volt
Nominal Torque up to:
33 mNm
Nominal Speed up to:
5000 / 600 rpm
Frequency:
50 Hz / 60 Hz
Diameter:
57.0 mm
Length: 
38.0 mm
Compatible gearboxes: S70A , S70B
Download full specifications of this motor
     
 
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Phone +31 78 621 9940 • Fax +31 78 621 4828
 
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