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Rexroth R911312762 MSK100D-0300-NN-M1-BP2-NNNN Servo Motor
| Place of Origin | Germany |
| Brand Name | REXROTH |
| Model Number | MSK100D-0300-NN-M1-BP2-NNNN |
Product Overview
The Rexroth R911312762 MSK100D-0300-NN-M1-BP2-NNNN is a high-torque MSK synchronous servo motor designed for demanding industrial motion axes. It combines the longer MSK100D frame, 0300 winding, M1 multiturn absolute feedback, keyed shaft and holding-brake option 2.
Main Configuration
| Material Number | R911312762 |
| Complete Model | MSK100D-0300-NN-M1-BP2-NNNN |
| Base Motor | MSK100D-0300 |
| Cooling | Natural Convection |
| Encoder | M1 Multiturn Absolute Hiperface |
| Connection | Fixed Connector on Side B |
| Shaft | Keyed Shaft with Shaft Sealing Ring |
| Holding Brake | Electrically Released Brake Option 2 |
| Design | Standard NNNN Design |
Reference Base-Motor Data
| Maximum Speed | 3,000 rpm |
| Continuous Torque at Standstill | 48 Nm |
| Maximum Torque | 187 Nm |
| Continuous Current at Standstill | 20.7 A |
| Maximum Current | 93.2 A |
| Rotor Moment of Inertia | 0.035 kg·m² |
| Approximate Basic Motor Weight | 56 kg |
The brake-equipped complete motor can differ from the listed basic motor weight. Confirm final shipping weight and dimensions before freight calculation.
Engineering Notes
The M1 encoder supplies multiturn absolute feedback through Hiperface. The keyed shaft supports positive torque transmission, while brake option 2 provides stationary load holding after controlled axis stopping. The brake is not intended as a service brake or personnel-protection device.
This configuration may be suitable for heavy feed axes, handling equipment, winding systems, printing machinery and high-inertia machine modules. Motor-drive sizing must consider the 48 Nm continuous standstill torque, 187 Nm peak torque, load inertia and thermal duty cycle.
Replacement Checklist
- Confirm R911312762 and the complete model.
- Verify M1 Hiperface feedback compatibility.
- Check B-side cable routing.
- Confirm keyed-shaft dimensions and coupling.
- Verify brake option 2 voltage, wiring and holding requirement.
- Confirm the drive parameter set for MSK100D-0300.
Inquiry reference: R911312762 / MSK100D-0300-NN-M1-BP2-NNNN.
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