MSK101D-0300-NN-M1-RG2-NNNN
MSK IndraDyn S Synchronous Motors
The MSK101D-0300-NN-M1-RG2-NNNN is an IndraDyn S Synchronous Servomotor by Bosch Rexroth Indramat in the MSK IndraDyn S Synchronous Motors series. It delivers 57.0 Nm continuous torque and 160.0 Nm peak torque with a 137.7 A maximum current. Featuring natural convection cooling, a right-side power connector, an optical multiturn absolute Hiperface encoder with 128 signal periods, and an electrically released 70 Nm holding brake, it requires Cooling FN.
Technical Specifications
Cooling
Natural convection
Power Connector
Right-Side
Encoder Technology
Optical
Encoder Turn Type
Multiturn Absolute
Encoder Interface
Hiperface
Encoder Resolution
128 signal periods
Motor Length
D
Motor Size
101
Holding Brake
With holding brake, electrically-released
Holding Brake Torque
70 Nm
Constraint
Requires Cooling FN
Design
Standard
Product Type
IndraDyn S Synchronous Servomotor
Shaft Type
Plain shaft
Rated Speed Code
0300
Continuous Current at Standstill 100 K
34.9 A
Continuous Torque at Standstill 100 K
57.0 Nm
Maximum Current
137.7 A
Maximum Torque
160.0 Nm
Winding Inductivity
3,200 mH
Frequently Asked Questions
How does the 70 Nm electrically released holding brake impact system design?
The brake allows torque retention when de-energized, which is helpful for vertical axes or safety holds, but the control supply must power it appropriately at shutdown or during fault. Electrically releasing it means that in a power loss, the brake will engage, so you must plan for safe fallback.
How does continuous torque of 57 Nm compare to peak torque of 160 Nm in motion planning?
You can use the 160 Nm during short bursts for acceleration or transient loads, but continuous duty must stay near 57 Nm to avoid overheating — motion profiles must be dimensioned for thermal capacity. Exceeding continuous torque for too long reduces lifetime or risks thermal overload.
What installation constraints stem from the right-side power connector?
Cable routing must allow clearance and stress relief on the right side of the motor; tight cabinets or adjacent modules may block the connector. Also, any connector alignment or bending radius must be respected, especially for high-current lines.
How do you size the drive supply given a 137.7 A maximum current rating?
The drive must supply that peak without voltage collapse or overheating, so select DC bus, smoothing caps, and wiring to handle transients. Keep cable impedance low to avoid voltage drop under high current peaks.
How critical is the “requires Cooling FN” constraint in system integration?
It implies that under some modes or specs, forced cooling (fan or blower) must be used — you cannot rely solely on natural cooling in all duty cases. Ignoring that can push the motor into thermal overload in high duty or high ambient.
Common Misspellings
MSK101D0300NNM1RG2NNNN
MSK101D 0300 NN M1 RG2 NNNN
MSK-101D-0300-NN-M1-RG2-NNNN
Internal Product Review
The IndraDyn S Synchronous Servomotor MSK101D-0300-NN-M1-RG2-NNNN by Bosch Rexroth is used in robotics, packaging, and machine tool applications. It includes a multiturn absolute optical encoder with Hiperface interface, natural convection cooling, and a plain shaft. The motor delivers 57.0 Nm continuous torque and features a 70 Nm electrically-released holding brake.
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