Special drives & high-speed direct drives
Synchronous Motors (permanent magnet excited)
Advantages/Properties
- Small, lightweight construction thanks to a very high power density
Weight reduction by over 40%
Performance increase by over 100% - Energy-saving due to high efficiency
Efficiency increase by up to 20% - High overload capacity up to > 3 x rated torque
- Constant speed up to approx. three times the rated output
- Robust, lifetime-lubricated, maintenance-free bearing
- Easy to install since there is no speed feedback
| Type | Weight |
Rated output [kW] | |
| [kg] | S 1 | ||
| 400 Hz | 600 Hz | ||
| 12,000 rpm | 18,000 rpm | ||
| KN 21.04-4S | 1.8 | 0.5 | 0.65 |
| KN 22.08-4S | 2.5 | 1.0 | 1.3 |
| KN 24.12-4S | 3.2 | 1.5 | 2.0 |
| KR 35.1-4S | 3.8 | 1.5 | 2.0 |
| KR 35.5-4S | 4.7 | 2.0 | 3.0 |
| KR 35.7-4S | 5.5 | 3.0 | 4.0 |
We can provide you with additional performance specifications and speeds upon request.
Available as direct drive or with direct tool holding system.
Direct Drives for foot- or flange-mounting
How you benefit
- Direct drive with low maintenance since there is no mechanical transmission
- Motors designed especially for converter operations
- Customer-specific performance/speed adjustment capability
- High degree of energy efficiency with low-loss materials
- A variety of models, all available from our portfolio
- Robust bearing
- Compact design
- Variable mounting flange upon request
- Speeds of up to 30,000 rpm
All motors are also available with increased dust protection and increased water protection.