Nema 8 Stepper Motor Bipolar L=38mm 4Ncm 0.095 deg 0.6A 6.0V with 19:1 Planetary Gearbox
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This Nema 8 stepper motor with 38mm body and 0.6A rated current, integrated a planetary gearbox of 19.02:1 gear ratio.
Electrical Specification
Manufacturer Part Number: 8HS15-0604S-PG19
Motor Type: Bipolar Stepper
Step Angle: 0.095 deg
Holding Torque without Gearbox: 4Ncm(5.66oz.in)
Rated Current/phase: 0.6A
Phase Resistance: 10ohms
Voltage: 6.0V
Inductance: 5.5mH ± 20%(1KHz)
Gearbox Specifications
Gearbox Type: Planetary
Gear Ratio: 19: 1
Efficiency: 81%
Backlash at No-load: <=1 deg
Max.Permissible Torque: 0.5Nm(70.8oz.in)
Moment Permissible Torque: 1Nm(141.6oz.in)
Shaft Maximum Axial Load: 5N
Shaft Maximum Radial Load: 25N
Physical Specifications
Frame Size: 22 x 22mm
Motor Length: 38mm
Gearbox Length: 29.95mm
Shaft Diameter: Φ6mm
Shaft Length: 15mm
D-cut Length: 9mm
Number of Leads: 4
Lead Length: 300mm
Weight: 130g
Connection
| A+ | A- | B+ | B- |
| Black | Green | Red | Blue |
| Gearbox Specification | |
|---|---|
| Backlash at No-load(Max.°) | 1 |
| Efficiency | 80% |
| Gear Ratio | 19:1 |
| Gearbox Length(mm) | 25.95 |
| Gearbox Type | Planetary |
| Max. Permissible Torque(Ncm) | 90 |
| Max. Permissible Torque(oz.in) | 127.5 |
| Moment Permissible Torque(Ncm) | 200 / 283.2 |
| Shaft Maximum Axial Load(N) | 5 |
| Shaft Maximum Radial Load(N) | 25 |
| Motor Specification | |
| Inductance(mH) | 5.5 |
| Lead Length(mm) | 300 |
| Motor Nema Size | Nema 8 |
| No. of Lead | 4 |
| Phase Resistance(ohm) | 10 |
| Rated Current (A) | 0.6 |
| Shaft Diameter(mm) | 6 |
| Shaft Length(mm) | 15 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque w/o Gearbox(Ncm) | 4 |
| Holding Torque w/o Gearbox(oz.in) | 5.7 |
| Motor Length(mm) | 38 |
| Single Shaft/Dual Shaft | Single Shaft |
| Shaft Type | D-Cut |
| Physical Specification | |
| Weight(g) | 130 |







