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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 FL57STH-M series


Hybrid stepper motors of FL57STH-M series are used in production automation (semiconductor test equipment, bobbin machines, stripping machines), and also can be used for screw pumps, laser machines, engraving machines, inkjet printers. Characterized by a high accuracy, smoothness of operations, low noise level.

Lineup of FL57STH-M series

To view the load characteristics of FL57STH-M series and wiring diagram please click on the image of stepper motor's model.

 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
FL57STH41-3006MA 1.9 3.0 0.63 1.0 3.9 6 120×10-7 0.21 0.45 41
FL57STH41-2804MA 2.0 2.8 0.7 2.2 5.5 4 120×10-7 0.21 0.45 41
FL57STH56-3006MA 2.3 3.0 0.75 1.9 9.0 6 300×10-7 0.40 0.70 56
FL57STH56-2804MA 2.5 2.8 0.9 4.5 12.0 4 300×10-7 0.40 0.70 56
FL57STH76-3006MA 3.0 3.0 1.0 2.6 13.5 6 480×10-7 0.68 1.0 76

Main technical characteristics of FL57STH-M series

Parameter Specifications
Step angle 0.9°
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 75 N max. (20 mm. from the flange)
Axial force 15 N max.
Holding torque 3.9 ~ 18.9 kg×cm
Current/phase 1.0 ~ 3.0 А

Ordering information for FL57STH-M series

FL 57 STH 41 - 300 6 A
FL - stepper motor Flange size Motor type Motor case length Current per phase Number of leads Shaft type
  57 57 mm STH with high torque 41 41 mm 
56 56 mm
76 76 mm
280 2.8 А
300 3.0 А
4 leads
6 leads
A single

Dimensions of FL57STH-M series

Load characteristics of FL57STH-M series

Wiring diagram