NEMA 8 Planetary Geared Stepper Motor 20mm 2 Phase Hybrid 1:36 Gearbox KC-20HYB38L4-215

Technical Specification
KC-20HYB38L4-215
Planetary Geared Stepper Motor — Optimized for precise integration and durable torque output
Model Number
KC-20HYB38L4-215
Motor Type
2-Phase Hybrid Stepper
Gearbox Type
Planetary Reduction (1:36)
Rated Voltage
5.6V DC
Rated Current
0.6A / Phase
Holding Torque
25 mN·m Min.
✓ Custom samples: 10-20 days
✓ Bulk order pricing available
✓ ISO 9001, CE & RoHS Compliant
Applications: Precision automation, medical infusion pumps, surgical robots, lab automation, PTZ security cameras, access control systems, 3D scanners, valve control, camera positioning systems.
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KC-20HYB38L4-215 Performance Specifications

Parameter Specification
Step Angle 1.8° ± 5%
Gear Ratio 1:36
Rated Voltage 5.6 V DC
Rated Current Per Phase 0.6 A
Holding Torque 25 mN·m min.
Detent Torque 10 g·cm typ.
Phase Resistance 9.3 Ω ± 10% (at 20 °C)
Phase Inductance 3.8 mH ± 20% (1 kHz, 1 V RMS)
Excitation Sequence Bipolar 2-2 phase excitation (Step 1 to Step 4 for CCW/CW control)

KC-20HYB38L4-215 Mechanical and Electrical Specifications

Parameter Specification
Motor Type 20HYB Hybrid Stepper Motor (NEMA 8)
Number of Phases 2 Phases (4 wires)
Gearbox Structure Planetary Gearbox
Dielectric Strength 500 V AC / 1 min / 5 mA max.
Insulation Resistance 500 V DC / 100 MΩ min.
Insulation Class Class B (130 °C)
Temperature Rise 80 K max.
Rotor Inertia 9 g·cm² ref.
Motor Mass (Weight) 65 g
Harness and Wire Model A1251H-4P connector | UL1061 AWG28 lead wires
Lead Wire Configuration Red (A+), Black (A−), Yellow (B+), Green (B−) | 110 ± 10 mm length
Frame Dimensions 22 mm × 22 mm square flange | 38 mm max. total length
Gearbox Size Φ13 mm (−0.1 to 0 mm) diameter | 17.5 mm length
Output Shaft Diameter Φ4 mm (−0.03 to −0.01 mm) D-shaft | 3.5 ± 0.1 mm shaft segment
Mounting Interface 4-M2 mounting holes | 3.5 mm min. depth | 11.8 ± 0.1 mm center distance
Mechanical Alignment Φ18 ± 0.1 mm pilot diameter | Φ22 mm flange center bore | 2 mm reserved step

KC-20HYB38L4-215 Technical 2D Outline Drawing

Dimensional specifications for industrial integration | Drawing scale 1.5:1 | All values in millimeters

Kechen Motor KC-20HYB38L4-215 hybrid stepper gearmotor Technical 2D Drawing showing 4mm D-shaft and 1:36 gear ratio.

⚙️ KC-20HYB38L4-215 Technical Specification Blueprint (NEMA 8 Geared Stepper Motor)

Custom Motor Performance Advantages

  • High Gearing Efficiency: The 1:36 ratio planetary gearbox delivers optimized torque output while maintaining an exceptionally space-saving structural profile.
  • Precise Step Resolution: Operating at a precise base step angle of 1.8° ± 5%, the motor ensures smooth, high-resolution motion control for complex automated systems.
  • Compatible System Integration: Standard NEMA 8 dimensions and 4-M2 mounting holes ensure straightforward, standardized mechanical integration into precision instruments.
  • Durable Insulation System: Built with Class B insulation supporting up to 130 °C and an optimized 80 K max temperature rise, ensuring long-term thermal stability.
  • Secure Electrical Connectivity: Pre-fitted with an A1251H-4P connector and UL1061 AWG28 lead wires for durable, reliable electrical interfacing under industrial conditions.
Key Search Terms
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