Innomotics SL150
Proven performance for demanding tasks.


Optimal performance. For low-speed and high-torque applications.
Metals industry, mining operations or heavy industrial processes: The SL150 is the drive you can rely on. Its proven cycloconverter technology delivers maximum availability, ruggedness and efficiency for toughest conditions and is ideal for retrofits.
You benefit from an established solution that has been refined over more than three decades:
- Perfectly suited for low-speed, high-torque applications
- Excellent performance in roughers, mine winders, crushers, excavators
- Air- or water-cooled variants for optimal efficiency and footprint
- Four-quadrant operation for regenerative braking capability
- Simple to operate, easy to maintain, highly service-friendly
With efficiency up to 99% and availability exceeding 99.5%, the SL150 keeps your production running.
Tougher than all others. Your benefits.




Technical data overview
| Output voltage range | 1.5 to 4 kV |
| Power range | Air-cooled: 2.8 to 19,4 MVA Water-cooled: 12 to 40 MVA |
| Cooling | Air-cooled or water-cooled |
| Max. output frequency | ~44% of line frequency |
| Drive control methods | Cycloconverter with vector control for synchronous or induction motors |
| Degree of protection | Air-cooled: IP21 Water-cooled: IP00/IP54 (in e‑house) |
Built to perform. In any industry.
The SL150 delivers exceptional performance and reliability for the most demanding industries. Whether driving massive rolling mills in steel plants, powering mine winders deep underground, driving cruise ships or moving thousands of tons of material in mining and cement operations: The SL150 is your trusted partner.





Maximize your SL150’s performance. With expert services.
Keep your SL150 operating at peak efficiency and reliability with our comprehensive lifecycle services. From initial commissioning to ongoing maintenance, modernization and digital monitoring: Our experts ensure your drive delivers maximum uptime in even the harshest environments.
Purchase and support

