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High Precision KC-20HYB28L4-216 Hybrid Stepper Motor with 1:4.75 Planetary Gearbox

Technical Summary
KC-20HYB28L4-216
Planetary Geared Stepper — Optimized for precise integration and durable torque output
Motor Type
2-Phase Hybrid Stepper
Gearbox Type
Planetary Reduction
Reduction Ratio
1:4.75
Rated Voltage
3.48 V DC
Step Angle
1.8° (Base)
Body Dimensions
20 x 20 mm
✓ Custom samples: 10-20 days
✓ Bulk order pricing available
✓ ISO 9001, CE & RoHS Compliant
Applications: Precision medical instruments, peristaltic pumps, laboratory liquid handling, automated pipettes, ophthalmic diagnostic equipment, dental surgical tools, mini-CNC actuators, electronic component pick-and-place, micro-diaphragm pumps, PTZ gimbal stabilization, smart radiator valves, automated stage lighting, compact laser scanners, robotics end-effectors, high-precision metering pumps.
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KC-20HYB28L4-216 Planetary Geared Stepper Motor Technical Data

Optimized for High Torque Integration and Precise Motion Control

Specification Parameters

Motor Type 2-Phase Hybrid Stepper Reduction Ratio 1:4.75
Rated Voltage 3.48 V DC Rated Current 0.6 A / phase
Step Angle 1.8° ± 5% Holding Torque 15 mN·m min.
Phase Resistance 5.8 ± 10% Ω (at 20 °C) Phase Inductance 2 mH ± 20% (1 kHz 1 V RMS)
Detent Torque 5 g·cm ref. Total Weight 50 g

Performance and Reliability Data

Temperature Class Class B (130 °C) Temperature Rise 80 K max.
Wire Specification UL1061 AWG28 Connector Model A1251H-4P
Rotation Direction CW / CCW Wiring Sequence Red A+, Black A−, Yellow B+, Green B−

Performance Advantages for Industrial Applications

  • Precise Motion Control: The 1:4.75 planetary reduction ratio ensures optimized torque density and precise positioning in durable environments.
  • Thermal Stability: Rated for Class B (130 °C) insulation with an 80 K maximum temperature rise, ensuring consistent operation under continuous load.
  • Compact Integration: 20 mm frame size compatible with standard micro-stepping drivers, facilitating seamless system integration.
  • Low Maintenance Design: Engineered with durable planetary gears to maintain performance integrity throughout the service life.

Technical Dimensional Drawing

Kechen Motor KC-20HYB28L4-216 2D drawing showing 1:4.75 ratio 22mm frame and 4-M2 mounting holes.
Key Search Terms
KC-20HYB28L4-216 stepper motor | Planetary geared stepper motor | 2-phase hybrid stepper | 1.8° step angle motor | 3.48 V DC motor specifications | NEMA 8 equivalent geared motor | Industrial automation stepper | Precise integration motor | RoHS compliant stepper motor | UL1061 AWG28 wiring
✓ Custom Samples: 10-20 Days
✓ Bulk Order Pricing Available
✓ ISO 9001, CE & RoHS Compliant

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