--- title: premo® SP Line url: "https://www.wittenstein-group.com/en-uk/product/premo-sp-line" date: 2026-02-16 modified: 2026-02-24 lastUpdated: 2026-04-13 --- # premo® SP Line alpha Advanced Line Servo actuator The premo® SP Line servo actuator impresses with its low weight and short overall length – ideal for moving axes and fast cycle times. The output shaft variants (smooth, feather key or splined shaft) enable a flexible mechanical connection. The motor encoder is equipped with a resolver as standard, other encoder options are available. See CAD data and configure product Downloads ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/c/d/csm_PREMO-SP-LINE-IMAGE_fde82d4a1f.webp) ### 16 – 100 Ratio ### 32 – 315 Nm Max. torque ### ≤ 3 – 5 arcmin Backlash [ Technical details ](#tech-details) [ Related products ](#related) [ Request consultation ](#consultation) ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/71-2-efficiency.svg) ###### Higher efficiency The low moment of inertia and high power density result in improved utilization of the energy supplied ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/4-4-compact.svg) ###### Smaller footprint The short installation length of the servo actuators helps to make the machine design more compact ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-static_content/usp/8-performance.svg) ###### Increased productivity The increased rigidity and dynamics achieve a higher output in your machine - Configure product - Technical data - Available options - Downloads | Product type | | premo® SP Line | |---|---|---| | Ratio | | 16 – 100 | | Number of sizes | | 3 | | Max. backlash c) | jt | ≤ 3 – 5 arcmin | | Max. acceleration torque | T2b | 315 Nm | | Max. output speed | n2Max | 375 rpm | | Torsional rigidity | Ct21 | 31 Nm/arcmin | | Max. tilting moment | M2KMax | 487 Nm | | Operating voltage | UD | 320 V; 560 V | | c) In relation to reference sizes | | Digital encoders | | ✓ | |---|---|---| | 1-cable connection | | ✓ | | Holding brake | | ✓ | | **Output shape** | | | | Smooth shaft | | ✓ | | Shaft with key d) | | ✓ | | Splined shaft (DIN 5480) | | ✓ | | **Characteristic** | | | | Food-grade lubrication a) b) | | ✓ | | **System solutions** | | | | Linear system (rack / pinion) | | ✓ | | **Accessory** (for more information, see the relevant product pages) | | | | Coupling | | ✓ | | Shrink Disk | | ✓ | | Power cable, signal cable, hybrid cable | | ✓ | | a) Performance reduction: Technical data available on request b) Please contact WITTENSTEIN alpha d) Performance reduction: For detailed sizing, please use our [cymex®](https://stage.wittenstein-group.com/de-de/produkt/cymex-5) design software | | Document name | Document type | Language | Downloads | |---|---|---|---| | ![](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-MECHATRONIC-SYSTEMS-PREMO-EN-9049e5966f2a.webp "Technical data / Dimension sheets premo®") Technical data / Dimension sheets premo® | Brochure /Catalog | English | [ Download (2 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=985&dl=1&st=1&lg=2&token=eb37052d8a68e5a9386efa0a4ebe1f148f53ce1e)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=985&st=1&lg=2&token=cd33124a6f11bb4e6d59d9f1f5384eacae187817) | | ![Technical documents premo® SP Line / TP Line / XP Line](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/OPERATING-MANUAL-PREMO-EN-7691b29c1816.webp "alpha Premium Line / alpha Advanced Line") alpha Premium Line / alpha Advanced Line Technical documents premo® SP Line / TP Line / XP Line | Operating manual | English | [ Download (1 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=1099&dl=1&st=1&lg=2&token=12cb499974374dce59e760480fc263ee48bcb41b)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=1099&st=1&lg=2&token=68c21418dfd015363e13b880cc3012ff0805996e) | | Technical data (CAD/CAE, dimension sheet, data sheet) premo® SP Line | CAD / CAE | English | [ Open in viewer ](https://cad-point.wittenstein-group.com/en/RotaryActuatorDetails/PBG) | | ![](https://www.wittenstein-group.com/fileadmin/processed_epim_fs/pdf-thumbnails/ALPHA-MECHATRONIC-SYSTEMS-EN-1c499f55ee64.webp "Catalog alpha mechatronic systems") Catalog alpha mechatronic systems | | English | [ Download (13 KB) ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=983&dl=1&st=1&lg=2&token=5d838d5b54ede06310af48b117454dd9568b0751)[ Open in viewer ](https://www.wittenstein-group.com/index.php?eID=dumpWittFile&t=f&f=983&st=1&lg=2&token=55b6f868954be8faca89308390ee980ba98cce73) | ![](https://www.wittenstein-group.com/fileadmin/_processed_/9/c/csm_logo-sculpture_e38190faf6.webp) 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. [info@wittenstein.co.uk](#) [ +44 1275 395-600 ](tel:+441275395-600) [ To the contact form ](https://www.wittenstein-group.com/en-uk/contact-locations/contact) ![](https://www.wittenstein-group.com/fileadmin/_processed_/d/6/csm_sp-line-main-image_84de641066.webp) Flexible gear interface with smooth shaft, key or splined shaft Low susceptibility to contamination thanks to smooth surfaces and conical cover without screws High connectivity to standard servo controllers with a wide range of digital and analog motor encoders Less cable thanks to 1-cable technology with digital encoders Safety functionality thanks to SIL2 motor encoders Related products ------------------ ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/3/7/csm_PREMO-TP-LINE-IMAGE_99877b11ab.webp)##### [ premo® TP Line ](https://www.wittenstein-group.com/en-uk/product/premo-tp-line) alpha Advanced Line Ratio16 – 100Max. torque35 – 380 NmBacklash≤ 1 – 3 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/8/9/csm_PREMO-XP-LINE-IMAGE_506c1b0191.webp)##### [ premo® XP Line ](https://www.wittenstein-group.com/en-uk/product/premo-xp-line) alpha Premium Line Ratio16 – 100Max. torque35 – 450 NmBacklash≤ 2 – 4 arcmin ![](https://www.wittenstein-group.com/epim-fs/Wittenstein-Prod-AssetsPublic/SP-PLUS-IMAGE.PNG)##### [ SP+](https://www.wittenstein-group.com/en-uk/product/sp) alpha Advanced Line Ratio3 – 100Max. torque48 – 5700 NmBacklash≤ 1 – 4 arcmin ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/b/1/csm_CABLEDYNAMICLINE-IMAGE_5603da2375.webp)##### [ Cable ](https://www.wittenstein-group.com/en-uk/product/cable) Cross‑section1.5 – 16 mm²Length5 – 50mHighly flexibleDIN VDE 0295 ![](https://www.wittenstein-group.com/typo3temp/assets/_processed_/b/8/csm_ALS-IMAGE_944b00150f.webp)##### [ Advanced Linear Systems ](https://www.wittenstein-group.com/en-uk/product/advanced-linear-systems) alpha Advanced Line Max. feed force1.37 – 21 kNMax. feed velocity45 – 570 m/minPositioning accuracy (single drive)≥ 30 µm