Ultra-compact 14 mm frame
The 14 mm square frame and 32 mm body support installation where the available mechanism envelope is tightly limited.
SP14 14 mm Hybrid Rotary Stepper Motor
Hybrid Rotary Stepper Motor
The SP14 14 mm hybrid rotary stepper motor provides 0.005 N·m holding torque in a 32 mm body, with 0.25 A rated current and optional EK6 or EK7 incremental encoder feedback.
Positioning accuracy
High torsional rigidity and constant torsional backlash over the entire gearbox service life ensure consistently high performance
Compactness
High torque density thanks to high performance and short design
Low maintenance
Highest quality standards for a long service life and extended maintenance intervals
Technical data
Compact hybrid stepper platform
14 mm hybrid rotary stepper motors for precise positioning
The SP14 series combines a 14 mm frame, 32 mm motor length, 0.005 N·m holding torque and 0.25 A rated current. EK6 and EK7 encoder options support compact feedback-enabled axes.
Verified winding data
The 6H2030 winding is rated at 0.25 A with 23 Ω resistance, 4.5 mH inductance and 0.005 N·m holding torque.
Encoder options
Select an EK6 single-ended encoder or an EK7 single-ended/differential encoder to match the feedback interface.
Engineering information
Technical data
Review the verified motor data, allowable radial load and encoder options. The torque-speed curve was measured with a constant-current drive at 12 VDC using 2-phase excitation.
Model selection
Motor specification matrix
| Model | Rated current | Resistance | Inductance | Holding torque | Rotor inertia | Motor length | Weight |
|---|---|---|---|---|---|---|---|
| 6H2030 | 0.25 A | 23 Ω | 4.5 mH | 0.005 N·m | 1.5 g·cm² | 32 mm | 35 g |
General data
Common electrical and mechanical data
| Specification | Value |
|---|---|
| Frame size | 14 mm |
| Step angle | 1.8° ±5% |
| Resistance tolerance | ±10% at 20°C |
| Inductance tolerance | ±20% at 1 kHz |
| Insulation class | Class B |
| Duty cycle | S1 |
| Dielectric strength | 250 VAC / 1 kHz / 1 mA / 1 s |
| Insulation resistance | 100 MΩ at 500 VDC |
| End cover | Die-cast aluminum |
| Bearing | Deep-groove ball bearing |
| Permanent magnet | Sintered NdFeB |
| Shaft | Stainless steel |
| Lead wire | UL 3135, 30 AWG |
Shaft loading
Allowable radial load
| Load point from mounting face | Allowable radial load |
|---|---|
| 5 mm | 15 N |
| 10 mm | 12 N |
| 15 mm | 8 N |
| 20 mm | 6 N |
Feedback options
Incremental encoder selection
| Encoder | Output | Resolution options |
|---|---|---|
| EK6 | Single-ended | 250 / 256 / 500 / 512 / 1000 / 1024 / 2000 / 2048 / 4000 / 4096 PPR |
| EK7 | Single-ended or differential | 1000 or 2000 PPR |
System integration
Configure the compact motor and feedback around the axis
Confirm the 0.005 N·m operating point and allowable shaft load, then select EK6 or EK7 feedback to match the controller interface.
- Verify the operating point against the 12 V torque-speed curve
- Select EK6 or EK7 output and resolution to match the controller
- Confirm the allowable radial load and 14 mm installation envelope
Application fields
Compact stepper positioning for constrained mechanisms
The 14 mm platform is intended for light-load rotary positioning where compact size, continuous duty and optional encoder feedback are required.
Space-constrained rotary axes
Compact indexing and positioning mechanisms with limited mounting space.
Feedback-enabled positioning
EK6 or EK7 encoder feedback for closed-loop position monitoring.
Continuous-duty mechanisms
S1-duty rotary mechanisms operating within the verified load limits.
Light-load motion modules
Small rotary modules requiring a 14 mm frame and 32 mm motor body.
Discuss your 14 mm hybrid rotary stepper motor requirement with our engineers.
Share the load, speed, duty cycle, encoder and installation requirements for configuration support.
Contact us
Would you like to learn more about our solutions?
We would be happy to advise you—personally, competently, and tailored to your requirements.
Perfection in a new dimension
Further Information
Short delivery times available for selected product configurations.
The TP+ HIGH TORQUE enables maximum torque density and maximum torsional rigidity—ideal for demanding applications with dynamic load changes and high positioning accuracy.
alpha Advanced Line gearboxes with increased durability and food-grade lubrication available.
The TP+ for coordinated pinion-rack systems for medium to high requirements. Typical areas of application in wood, plastic, and composite processing, in machining centers, or in automation.
With cynapse® and smart services, you can unleash the full potential of your drive system: sensor data is processed, visualized, and analyzed intelligently. Find out how the combination of gearboxes with cynapse® and our Smart Services can make your digital production faster, safer, and more efficient.
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