- Solid shaft with key
- Solid shaft without key
Output available on side 3 or 4.
Output side
Mounting Positions
- Any mounting position.
- You can find the explanation of the mounting positions and the respective quantities of lubricant in the document Quantity of lubricant for gear units ID 441871
Lubricants and Maintenance
- Synthetic lubricant CLP HC ISO VG 150
- Lubricated for life
- Maintenance-free
Paint Finish
- Housing and connector black RAL 9005
- Motor cover b-side magenta RAL 4010
Synchronous Servo Motor EZ
- Extremely compact.
- Highest power per unit volume.
- Large torque.
- High dynamic.
Synchronous Servo Motor EZ
External Fan
- According to DIN EN 60034-6, IC416
- To increase torque and continuous performance.
- In case of higher surrounding temperatures.
- Also available as a retrofit kit.
External Fan
Motor Brake
Optionally the motor b-side can be equipped with a permanent magnet holding brake.
EZ Brake
Encoder
Absolute value encoder EnDat® 2.1 or EnDat® 2.2
- Optical or inductive measuring principle
- High system accuracy with up to 23 bits resolution
- Up to 4096 recordable resolutions in multiturn version
- Electronic nameplate ensures fast and easy commissioning
- Additional information transferred with the position value (EnDat® 2.2)
- Compatible with STOBER drive controllers and drive controllers of many third-party manufacturers
Resolver
- High temperature resistance
- High vibration strength and shock resistance
Power and Encoder Interface
- Rotating plug connectors with quick lock.
- Option: Supplied with mating connectors.
EZ Connection Method
Encoder One Cable Solution (OCS)
HIPERFACE DSL One Cable Solution (OCS)
- Significantly reduced wiring effort by eliminating the encoder cable
- Significantly reduced space requirements by eliminating the encoder plug connector
- High system accuracy with up to 20 bits resolution
- Up to 4096 recordable resolutions in multiturn version
- Electronic nameplate ensures fast and easy commissioning
- Additional information transferred with the position value
Power and Encoder Interface One Cable Solution (OCS)
- Rotating plug connector with quick lock (connection lines between the encoder and drive controller are routed along in the motor's power cable).
- Option: Supplied with mating connector.
EZ Connection Method (OCS)
Winding Protection
PTC thermistors are installed in STOBER synchronous servo motors as a configuration feature to implement thermal winding protection. This makes it possible for the motor to exceed the maximum permitted winding temperature with the appropriate devices turned off.
Drive Controller Recommendation
- POSIDRIVE MDS 5000 with power range 0.75 to 45 kW
- POSIDYN SDS 5000 with power range 0.75 to 45 kW
- SD6 with power range 0.75 kW to 45 kW
- SI6 with power range 0.75 kW to 25.9 kW
For further information see Drive Controllers
Type | Ratio | Max. perm. acceleration torque [Nm] | Stall torque on the gear unit output [Nm] | Max. perm. input speed in cyclic operation [1/min] | Backlash [arcmin] | Torsional stiffness [Nm/arcmin] |
P521_K1_ | 12 – 235 | 68 – 300 | 25 – 226 | 4500 – 6000 | 4 – 5 | 23 – 26 |
P721_K1_ | 28 – 393 | 158 – 650 | 58 – 484 | 4500 – 6000 | 3.5 – 4 | 46 – 47 |
P721_K2_ | 12 – 278 | 96 – 700 | 34 – 507 | 4000 – 5500 | 4 – 4.5 | 39 – 47 |
P821_K2_ | 28 – 486 | 224 – 1400 | 79 – 1071 | 4000 – 5500 | 3.5 | 132 – 134 |
P821_K3_ | 12 – 279 | 463 – 1600 | 163 – 1172 | 3800 – 5000 | 4 – 4.5 | 89 – 132 |
P921_K4_ | 28 – 390 | 1103 – 2700 | 458 – 2047 | 3500 – 5000 | 3.5 | 271 |