Quale motore è consigliato a 0.9° per step?

[Hurry]

Quale motore scegliere in sostituzione degli originali?

Originali:
Step Angle (degrees) :1.8
2 Phase
Rated Current : 2.5 A
Holding Torque : 4,8 kg/cm
Winding resistance: 1,3 Ω
Winding inductance: 1,8mH
Dimension: 42,3 x 42,3 x 48 mm

Model: JK42HM48-1504
Step Angle 0.9°
Rate Voltage: 4.35V
Rated Current/phase: 1.5A
Holding Torque: 4.4 kg/cm
Resistance/Phase: 2.9Ω
Inductance/Phase: 6.5mH
Dimension: 42,3 x 42,3 x 48 mm

Model: 17HM19-2004S
Motor Type: Bipolar Stepper
Step Angle 0.9°
Holding Torque 46Ncm(4,69 kg/cm)
Rated Current/phase: 2.0A
Phase Resistance: 1.4ohms
Recommended Voltage: 12-24V (eccessivo?)
Inductance: 3.0mH±20%(1KHz)

model: JK42HM48-1684
Step Angle 0.9°
Voltage/phase: 2.8V
Rated Current/phase: 1.65A
Holding Torque: 4.4 kg/cm
Resistance/Phase: 1.65Ω
Inductance/Phase: 4.1mH
Dimension: 42,3 x 42,3 x 48 mm