NEMA 14 Stepper Motor 14HS10‑0803S‑EGS5 with 5:1 EG Series Planetary Gearbox
The 14HS10‑0803S‑EGS5 is a two‑phase bipolar hybrid motor with a 35 × 35 mm flange and 26 mm stack, offering 1.8° (200 steps/rev) resolution. It’s wound for 0.8 A per phase with 2.8 Ω (±10 %) phase resistance, delivering holding torque of 0.25 Nm–0.30 Nm. Phase inductance ranges 4 mH–6 mH (±20 %). The motor uses a 8mm keyway shaft and integrates a 5.18:1 EG‑series planetary gearbox for low‑backlash precision. It supports insulation resistance ≥ 100 MΩ @ 500 VDC, dielectric strength 500 VAC for 1 min, and continuous operation with ≤ 80 °C temperature rise in an ambient range of –20 °C to +50 °C.
Features
- 1.8° (200 steps/rev) step angle with ±5 % accuracy.
- Bipolar, two‑phase (4‑lead) microstepping‑compatible wiring.
- Rated current 0.8 A per phase.
- Phase resistance 2.8 Ω (±10 %).
- Phase inductance 4 mH – 6 mH (±20 %).
- Holding torque 0.25 Nm – 0.30 Nm.
- 8 mm keyway shaft for secure mechanical coupling.
- Integrated EGS5 planetary gearbox (5:1) for low‑backlash precision.
- High insulation and dielectric performance ensures reliability.
- Continuous operation with ≤ 80 °C rise; ambient –20 °C – +50 °C.
Specifications
| Parameter | Value |
|---|---|
| Model | 14HS10‑0803S‑EGS5 |
| Step Angle | 1.8° (200 steps/rev) |
| Step Accuracy | ±5 % |
| Phases | 2 (bipolar, 4‑wire) |
| Rated Current | 0.8 A/Phase |
| Phase Resistance | 2.8 Ω (±10 %) |
| Resistance Accuracy | ±10 % |
| Insulation Resistance | ≥ 100 MΩ@500 VDC |
| Phase Inductance | 4 mH – 6 mH (±20 %) |
| Inductance Accuracy | ±20 % |
| Holding Torque | 0.25 Nm – 0.30 Nm |
| Detent Torque | ~0.02 Nm |
| Rotor Inertia | ~50 g·cm² |
| Temperature Rise | ≤ 80 °C |
| Ambient Temperature Range | –20 °C – +50 °C |
| Storage Temperature Range | –20 °C – +70 °C |
| Dielectric Strength | 500 VAC for 1 min |
| Number of Leads | 4 |
| Motor Length | 26 mm |
| Gearbox Ratio | 5.18:1 |
| Gearbox Output Shaft | 8 mm keyway |
NOTE: notice the twist between the green and blue wires at the connector end.
Applications
- Compact robotics and precision actuators.
- Mini CNC tools and positioning stages.
- Medical and laboratory instrument drives.
- Camera focus and imaging platforms.
Package Contents
- 1x NEMA 14 Stepper Motor 14HS10‑0803S‑EGS5.
- 1x 85cm 4‑lead connector cable.
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