50 W compact servo control
Delivers accurate closed-loop motion in a compact 40 mm square mechanical envelope.
50 W Vacuum Servo Motor
Vacuum Servo Motor
Compact 50 W vacuum servo motor with 0.16 N·m rated torque, 3000 rpm rated speed, 24 / 48 / 220 V options and resolver or multi-turn absolute feedback for precision equipment.
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 vacuum servo platform
Precise 50 W servo motion for demanding vacuum equipment
A compact vacuum servo motor platform combining 0.16 N·m rated torque, 3000 rpm rated speed and selectable feedback for semiconductor, scientific and special-environment motion systems.
Vacuum-ready configurations
Engineered variants are available for vacuum environments down to 1.0 × 10−7 Pa.
Selectable feedback
Choose a resolver for extreme-temperature operation or a multi-turn absolute encoder for position retention.
Flexible power platform
Low-voltage 24 V and 48 V DC versions and a 220 V AC version support different machine architectures.
Special-environment options
Application-specific materials support elevated coil temperature and radiation-resistant configurations.
Configurable accessories
Brake, encoder, resolver, temperature sensor and radiation-resistant options can be reviewed with engineering.
Engineering information
Technical data
Electrical, environmental and connection data below supports model selection and system integration.
50 WRated power
SPVS50WProduct model
0.16 N·mRated torque
3000 rpmRated speed
Electrical data
Voltage-specific performance
Verified values transcribed from the supplied 50 W servo motor technical data.
| Specification | Unit | 24 V | 48 V | 220 V |
|---|---|---|---|---|
| Rated power | W | 50 | 50 | 50 |
| Pole pairs | — | 5 | 5 | 5 |
| Rated torque | N·m | 0.16 | 0.16 | 0.16 |
| Rated speed | rpm | 3000 | 3000 | 3000 |
| Rated current | A | 3.4 | 2.2 | 1.2 |
| Maximum torque | N·m | 0.48 | 0.48 | 0.48 |
| Maximum current | A | 10.2 | 6.6 | 3.6 |
| Maximum speed | rpm | 4000 | 4000 | 4000 |
| Line resistance (±10%) | Ω | 1.08 | 4.12 | 9.02 |
| Line inductance (±10%) | mH | 1.04 | 4.53 | 8.35 |
| Back EMF (±10%) | V/Krpm | 3.08 | 6.47 | 8.63 |
| Rotor inertia without brake | kg·cm² | 0.0546 | 0.0546 | 0.0546 |
| Rotor inertia with brake | kg·cm² | 0.0574 | 0.0574 | 0.0574 |
Environmental data
General specifications
Feedback-specific vacuum and temperature limits are shown separately.
| Specification | Resolver feedback | Other encoder feedback |
|---|---|---|
| Feedback options | Resolver | Hall, incremental, or multi-turn absolute encoder |
| Vacuum limit | 1 × 10−7 Pa | 1 × 10−4 Pa |
| Operating temperature | −196°C to +200°C | −40°C to +105°C |
| Protection | IP54 (excluding shaft end) | IP54 (excluding shaft end) |
| Approx. weight without brake | 0.5 kg | 0.5 kg |
| Approx. weight with brake | 0.6 kg | 0.6 kg |
Mechanical interface
Dimensions and connection data
Use the mechanical dimensions and terminal definitions below to plan mounting and electrical integration for the supplied 50 W configuration.
Connection data
Power and brake wiring
| Pin | Signal | Wire color |
|---|---|---|
| 1 | U | Red |
| 2 | V | White |
| 3 | W | Black |
| 4 | PE | Green |
| 5 | B+ | Yellow |
| 6 | B− | Brown |
Connection data
Resolver wiring
| Pin | Signal | Wire color |
|---|---|---|
| 1 | Cos+ | Red |
| 2 | Cos− | Black |
| 3 | Ref+ | Green |
| 4 | Ref− | White |
| 5 | Sin+ | Yellow |
| 6 | Sin− | Blue |
| 7 | PE | Shield |
Connection data
Absolute encoder wiring
| Pin | Signal | Wire color |
|---|---|---|
| 1 | 485+ | Blue |
| 2 | 485− | Yellow |
| 3 | VCC+ | Red |
| 4 | GND− | Black |
| 5 | Battery+ | Green |
| 6 | Battery− | White |
| 7 | PE | Shield |
Performance data
Operating-point information
| Item | Value |
|---|---|
| Rated operating point | 0.16 N·m at 3000 rpm |
| Maximum torque | 0.48 N·m |
| Maximum speed | 4000 rpm |
| Validated torque-speed curve | Supplied after confirming voltage, feedback, brake, vacuum and temperature configuration. |
Vacuum servo integration
Configure the motor around the real operating environment
Final selection should consider chamber pressure, voltage, torque-speed duty cycle, feedback, brake, temperature, radiation level, cabling and feedthrough requirements.
- Confirm the required vacuum and temperature grade
- Select 24 V, 48 V or 220 V for the machine power architecture
- Choose resolver or multi-turn absolute feedback
- Validate brake, cable and radiation-resistant options
Application fields
Closed-loop motion for controlled and special environments
The 50 W platform supports compact precision axes where conventional servo motors cannot meet vacuum, temperature or radiation requirements.
Semiconductor equipment
Closed-loop positioning for transfer, inspection and process-support mechanisms.
Vacuum coating
Controlled motion for deposition, handling and chamber automation systems.
Scientific instruments
Compact servo axes for analytical equipment and laboratory vacuum chambers.
Special-environment systems
Application-specific configurations for cryogenic, elevated-temperature and radiation environments.
System integration
Clear data for faster machine design
Use the voltage-specific tables, feedback limits, mechanical drawing and wiring definitions to review the motor with the complete drive and vacuum system.
Product modelSPVS50W
Rated power50 W
Rated torque0.16 N·m
Rated speed3000 rpm
Rated voltage24 / 48 / 220 V
FeedbackResolver or multi-turn absolute encoder
Discuss your 50 W vacuum servo axis with our engineers.
Share the chamber pressure, temperature, load, speed, duty cycle, voltage, feedback, brake and radiation requirements for configuration review.
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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