MSK101C-0300-NN-S3-AP0-NNNN
MSK IndraDyn S Synchronous Motors
The MSK101C-0300-NN-S3-AP0-NNNN from Bosch Rexroth Indramat is an IndraDyn S synchronous servomotor with a motor size of 101 and a keyway shaft. Part of the MSK IndraDyn S Synchronous Motors series, this servomotor utilizes natural convection cooling and a capacitive Hiperface encoder.
It delivers a continuous torque at standstill of 36.5 Nm and achieves a maximum torque of 110.0 Nm. The unit supports a maximum current of 84.2 A.
Technical Specifications
Cooling
Natural convection
Power Connector
A-Side
Encoder Technology
Capacitive
Encoder Turn Type
Singleturn
Encoder Interface
Hiperface
Encoder Resolution
16 signal periods
Motor Length
C
Motor Size
101
Holding Brake
Without holding brake
Design
Standard
Product Type
IndraDyn S Synchronous Servomotor
Shaft Type
Shaft with keyway
Rated Speed Code
0300
Continuous Current at Standstill 100 K
21.3 A
Continuous Torque at Standstill 100 K
36.5 Nm
Maximum Current
84.2 A
Maximum Torque
110.0 Nm
Winding Inductivity
6,000 mH
Frequently Asked Questions
How does natural-convection cooling on MSK101C-0300-NN-S3-AP0-NNNN influence duty and enclosure integration?
Its self-cooled operation reduces auxiliary hardware for aiding sealed cabinets or clean environments where forced airflow is undesirable. Its thermal sizing should consider ambient limits and mounting to maintain continuous stall capability without exceeding winding temperature class.
Why choose a keyway shaft on this MSK101C variant for torque transmission?
The keyed shaft offers positive torque transmission with standard hub components for simplifying interchange with pulleys, couplings or gear inputs. It also eases field service compared to shrink-fit alternatives in many general-automation lines.
What benefits does the capacitive Hiperface single-turn encoder in MSK101C-0300-NN-S3-AP0-NNNN provide for commissioning and control?
The capacitive sensing with Hiperface supports resilient position feedback that is immune to many optical contamination issues, while delivering precise sine/cosine commutation signals. Its interface also exposes encoder memory for device data and zero-set operations for simplifying startup and diagnostics.
How should I interpret the 36.5 Nm continuous stall torque and 110 Nm maximum torque for axis design?
The 36.5 Nm is for thermal steady-state sizing at 100 K stator rise to ensure the load-duty profile stays within thermal limits. Its 110 Nm peak accommodates brief acceleration or disturbance rejection within current and mechanical constraints.
How does winding inductivity (6,000 mH listed) affect current ripple and control bandwidth on the MSK101C?
Its higher inductivity reduces current ripple at a given PWM frequency for aiding smooth torque production, it can limit current-loop bandwidth. It is important to tune current regulators and choose switching frequency to balance responsiveness and losses.
Common Misspellings
MSK101C0300NNS3AP0NNNN
MSK101C 0300 NN S3 AP0 NNNN
MSK-101C-0300-NN-S3-AP0-NNNN
Internal Product Review
The Rexroth Indramat’s MSK101C-0300-NN-S3-AP0-NNNN servomotor couples natural-convection cooling with a capacitive Hiperface single-turn encoder (16 signal periods) and keyway shaft. It generates 36.5 Nm continuous stall torque and 110 Nm peak, while its maximum current capability is up to 84.2 A at full load. This unit fits in packaging, printing, robotics and machine-tool axes due to its A-side power connector and its compact “C” layout.
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