This is nema 34 cnc stepper motor with size 86x86x80mm. It has 8 wires, which have three connection options: Unipolar or Bipolar(Serial) or Bipolar(Parallel), you can choose any type as you wish. It's houlding torque reach 3.6Nm(510oz.in) with unipolar connection and 5.2Nm(736oz.in) with bipolar connection.
Electrical Specification
Part Number: 86HS80-4208S
Step Angle: 1.8deg
Holding Torque(Unipolar): 3.6Nm(510oz.in)
Holding Torque(Bipolar): 5.2Nm(736oz.in)
Rated Current/phase(Unipolar): 4.2A
Rated Current/phase(Bipolar Serial): 3A
Rated Current/phase(Unipolar Parallel): 6A
Phase Resistance(Unipolar): 0.65ohms
Phase Resistance(Bipolar Serial): 1.3ohms
Phase Resistance(Bipolar Parallel): 0.3ohms
Inductance(Unipolar): 2.2mH
Inductance(Bipolar Serial): 8.8mH
Inductance(Bipolar Parallel): 2.2ohms
Physical Specification
Frame Size: 86x86mm
Body Length: 80mm
Shaft Diameter: Φ12.7mm
Shaft Length: 32mm
Keyway Length: 25mm
Number of Leads: 8
Lead Length: 500mm
Weight: 2.3kg
Motor Connection
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| Electrical Specification | |
| Bipolar/Unipolar | Bipolar/Unipolar |
| Step Angle(°) | 1.8 |
| Holding Torque(Nm) | 5.2 |
| Holding Torque(oz.in) | 736 |
| Rated Current(A) | 4.2 |
| Phase Resistance(ohm) | 0.65 |
| Phase Inductance(mH) | 2.2 |
| Physical Specification | |
| Frame Size(mm) | 86x86 |
| Body Length(mm) | 80 |
| Shaft Type | Keyway |
| Shaft Diameter(mm) | 12.7 |
| Shaft Length(mm) | 32 |
| No. of Leads | 8 |
| Lead Length(mm) | 500 |
| Weight(KG) | 2.3 |
