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25.09.2014 | We invite you to visit our stand at the exhibition "Mashex-2014"!

Get an e-ticket to the exhibition "Mashex-2014"Dear Partners and Clients!

We invite you to visit our stand №C261, hall №3 at the 17th international exhibition of equipment and technologies of metalworking and working of composite materials "Mashex-2014", which will be organized from 28 to 31 October in the exhibition center "Crocus Expo", pavilion №1, Moscow, Russia.

24.09.2014 | We invite you to visit our stand at the exhibition "Stankostroenie-2014"!

Get an e-ticket to the exhibition "Stankostroenie-2014"Dear Partners and Clients!

We invite you to visit our stand №В222 , pavilion №1, hall №2 at the international specialized exhibition "Stankostroenie-2014", which will be organized from 14 to 17 October, 2014 in the exhibition center "Crocus Expo" (Moscow, Russia).

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Stepper motors of FL39ST series

Hybrid stepper motors of FL39ST series are used in scientific research (spectrometers, chromatographs), textile industry (bobbin winder), medical equipment (humoral analyzers), video surveillance and signaling devices, etc. Characterized by a high accuracy, stable operation and low inertia.

Lineup of FL39ST series

To view the load characteristics of FL39ST series and wiring diagram please click on the image of stepper motor's model.

Rated voltage, V Current/phase, A Resistance/phase, Ohm
Inductance/phase, mH
Holding torque, kg×cm Number of leads Rotor inertia, kg×m2 Detent torque, g×cm Weight, kg Length, mm
FL39ST20-0506A  6.5 0.5 13 7.5 0.8 6 11.0×10-7 50 0.12 20
FL39ST38-0806A  6.0 0.8 7.5 6.0 2.0 6 24.0×10-7 180 0.20 38

Main technical characteristics of FL39ST series

Parameter Specifications
Step angle 1.8°
Step angle accuracy ±5% (full step, no load)
Resistance accuracy ±10%
Inductance accuracy ±20%
Temperature rise 80°C max. (rated current, 2 phase on)
Ambient temperature -20°C ~ +50°C
Insulation resistance 100 MOhm min., 500 VDC
Dielectric strength 500 VAC for one minute
Radial play 0.02 mm. max. (450 g-load)
Axial play 0.08 mm. max. (450 g-load)
Radial force 28 N max. (20 mm. from the flange)
Axial force 10 N max.
Holding torque 0.65 ~ 2.9 kg×cm
Current/phase 0.3 ~ 0.8 А

Ordering information for FL39ST series

FL 39 ST 20 - 050 6 A
FL - stepper motor Flange size Motor type Motor case length Current per phase Number of leads Shaft type
  39 39 mm ST hybrid stepper 20 20 mm
38 38 mm
050 0.5 А 
080 0.8 А
6 6 leads A single

Dimensions of FL39ST series

Load characteristics of FL39ST series


Wiring diagram