1800 W servo performance
Combines 2500 rpm rated speed with a 3000 rpm maximum speed for dynamic precision axes.
1800 W Vacuum Servo Motor
Vacuum Servo Motor
SPVS1800W vacuum servo motor with 6.88 N·m rated torque, 20.63 N·m maximum torque, 2500 rpm rated speed, 110 / 220 / 380 V winding options and resolver configurations rated to 1 × 10⁻⁷ Pa.
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
1800 W vacuum servo platform
High-torque closed-loop motion for demanding vacuum systems
SPVS1800W delivers 6.88 N·m rated torque and 20.63 N·m maximum torque at speeds up to 3000 rpm, with winding and feedback configurations for precision motion inside controlled vacuum environments.
Vacuum-ready construction
Resolver configurations are rated to 1 × 10−7 Pa for high-vacuum equipment.
Selectable feedback
Choose resolver feedback or a multi-turn absolute encoder to match positioning and environmental requirements.
Flexible winding options
Available winding configurations cover 110 V, 220 V and 380 V machine architectures.
Wide temperature capability
Resolver versions support environments from −196°C to +200°C, subject to final configuration review.
Brake-ready platform
Mechanical data is provided for versions with and without a holding brake.
Engineering information
Technical data
Electrical, environmental, mechanical and connection data for the SPVS1800W are listed below.
1800 WRated power
SPVS1800WProduct model
6.88 N·mRated torque
110 mmFrame size
Electrical data
Voltage-specific performance
Electrical values are listed for the supplied 5-pole-pair winding configurations.
| Pole pairs | Voltage | Rated current | Maximum current | Line resistance | Line inductance | Back EMF |
|---|---|---|---|---|---|---|
| 5 | 110 V | 15 A | 45 A | 0.23 Ω | 2.44 mH | 27.88 V/Krpm |
| 5 | 220 V | 7.5 A | 22.5 A | 0.85 Ω | 10.3 mH | 57.11 V/Krpm |
| 5 | 380 V | 4.5 A | 13.5 A | 48.97 Ω | 125.2 mH | 114 V/Krpm |
Motor data
Core operating values
Values are common to the supplied 110 V, 220 V and 380 V winding options unless noted.
| Specification | Value | Notes |
|---|---|---|
| Pole pairs | 5 | All supplied configurations |
| Rated power | 1800 W | All supplied configurations |
| Rated torque | 6.88 N·m | All supplied configurations |
| Rated speed | 2500 rpm | All supplied configurations |
| Maximum torque | 20.63 N·m | Peak operating point |
| Maximum speed | 3000 rpm | Speed ceiling |
| Rotor inertia | 5.458 / 5.977 kg·cm² | Without brake / with brake |
| Feedback | Resolver, Hall, incremental, multi-turn absolute encoder | Configuration dependent |
| Insulation class | F | — |
| Protection class | IP54 (excluding shaft end) | — |
| Weight without brake | 6.3 kg | — |
| Weight with brake | 7.2 kg | — |
Environmental data
Vacuum and temperature limits
Feedback selection determines the allowable vacuum and temperature range.
| Feedback configuration | Vacuum level | Operating temperature |
|---|---|---|
| Resolver | 1 × 10−7 Pa | −196°C to +200°C |
| Other encoder configurations | Limit: 1 × 10−4 Pa | −40°C to +105°C |
Mechanical interface
Dimensions and connection data
Use the drawing and connection data below to review the 110 mm frame interface. Confirm the final brake, cable exit and feedback configuration before release.
Dimensional reference
110 mm frame interface
| Feature | Dimension |
|---|---|
| Frame | 110 mm square |
| Motor body height | 123 mm |
| Pilot diameter | Ø95 mm (0 / −0.035) |
| Shaft diameter | Ø19 mm (0 / −0.015) |
| Shaft extension | 55 ± 1 mm |
| Usable shaft length | 40 mm |
| Front flange thickness | 12 mm |
| Body length | 194 ± 1.5 mm |
| Overall length with brake | 214 ± 1.5 mm |
| Front pilot / step | 5 mm |
| Mounting holes | 4 × Ø9 through on PCD Ø130 |
| Threaded feature | M6, depth 12 mm |
| Key width | 6 mm |
| Front-view callout | 21.50 mm |
Connection data
Power connector
| Pin | Signal | Color |
|---|---|---|
| 1 | U | Red |
| 2 | V | White |
| 3 | W | Black |
| 4 | PE | Green |
| 5 | B+ | Yellow |
| 6 | B− | Brown |
Connection data
Resolver
| Pin | Signal | 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
| Pin | Signal | Color |
|---|---|---|
| 1 | 485+ | Blue |
| 2 | 485− | Yellow |
| 3 | VCC+ | Red |
| 4 | GND− | Black |
| 5 | Battery+ | Green |
| 6 | Battery− | White |
| 7 | PE | Shield |
Performance data
Torque-speed information
| Operating point | Value |
|---|---|
| Rated torque | 6.88 N·m |
| Maximum torque | 20.63 N·m |
| Rated speed | 2500 rpm |
| Maximum speed | 3000 rpm |
| Detailed torque-speed curve | Confirm the final curve for the selected 110 V, 220 V or 380 V winding and feedback configuration. |
Vacuum servo integration
Select the winding and feedback for the real chamber conditions
Final selection should consider chamber pressure, supply voltage, pole pairs, torque-speed duty cycle, feedback, brake, temperature, cabling and feedthrough requirements.
- Confirm resolver or absolute-encoder environmental limits
- Select 110 V, 220 V or 380 V winding options
- Use the supplied 5-pole-pair control architecture
- Validate brake, cable and connector requirements
Application fields
High-output servo motion for controlled environments
The 1800 W platform supports higher-load precision axes where conventional servo motors cannot meet vacuum and temperature requirements.
Semiconductor equipment
Closed-loop positioning for wafer handling, transfer and process-support mechanisms.
Vacuum coating
Controlled motion for deposition, handling and chamber automation systems.
Scientific instruments
Precision servo axes for analytical equipment and large vacuum chambers.
Special-environment systems
Application-specific configurations for cryogenic and elevated-temperature operation.
System integration
Verified data for faster machine design
Use the voltage table, feedback-specific environmental limits, clear mechanical drawing and HTML connection definitions to review the complete drive and vacuum system.
Product modelSPVS1800W
Rated power1800 W
Rated torque6.88 N·m
Maximum torque20.63 N·m
Rated / maximum speed2500 / 2500 rpm
FeedbackResolver, Hall, incremental, multi-turn absolute encoder
Discuss your 1800 W vacuum servo axis with our engineers.
Share the chamber pressure, temperature, load, speed, duty cycle, voltage, pole pairs, feedback and brake 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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