Model

Step angle

Excitation mode

Voltage

Current

Resistence

Holding torque

Detent torque

Rotor inertia

°

V

A

Ω

g.cm

g.cm

g.cm²

55BY412S

7.5

Unipolar

12

0.4

30

1200

260

34

55BY406S

15

Bipolar

24

0.4

12

1400

260

34

55BY412L

7.5

Bipolar

12

0.6

15

2000

260

34

55BY412L

7.5

Unipolar

24

0.3

80

1700

260

34