R911317624 (MSK076C-0300-NN-M1-UP1-NNNN)

MSK IndraDyn S Synchronous Motors

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The R911317624 (MSK076C-0300-NN-M1-UP1-NNNN) is a Bosch Rexroth IndraDyn S synchronous servomotor with natural convection cooling, IP65 protection, and a flange mounting design. It supports a maximum speed of 4700 RPM and delivers a continuous standstill torque of 12 Nm at 60K and 13.5 Nm at 100K overtemperature, with respective continuous currents of 7.2 A and 8.1 A. The maximum permissible torque is 43.5 Nm, with a peak current of 32.4 A. Shaft features include a keyway and an electrically released holding brake rated at 11 Nm. The integrated optical multiturn absolute encoder operates via a Hiperface interface with 128 signal periods and features a 240° rotatable connector. The motor measures size 076 in standard length C, weighs 14.9 kg, and has an ambient operating temperature range of 0°C to 40°C and a thermal time constant of 60 minutes. Operational noise levels are below 75 dB(A).

Technical Specifications

Product Type
Rexroth Indramat Aftermarket Accessories

Cooling Type
Natural

Overtemperature
60K/100K

Continuous Torque Standstill(100K)
13.5 Nm

Continuous Current Standstill(100K)
8.1 A

Continuous Torque Standstill(60K)
12 Nm

Continuous Current Standstill(60K)
7.2 A

Maximum Permissible Current
32.4 A

Maximum Permissible Torque
43.5 Nm

Voltage Constant
113V/min-1

Torque Constant
1.84 Nm/A

Winding Resistance
1.85 Ohm

Leakage Capacitance
6.5 nH

Winding Inductivity
12.6 mH

Pole Pairs Required
4

Thermal Time Constant
60 minutes

Rotor Moment of Inertia
0.0043 Kgxm3

Optional Brakes
Available

Maximum Speed
4700min-1

Sound Pressure Level
<75 dB(A)

Degree of Protection
IP65

Operating Ambient Temperature
00C to 400C.

Frequently Asked Questions

How does the multiturn Hiperface encoder in MSK076C-0300-NN-M1-UP1-NNNN enhance absolute positioning and startup behavior?

Its optical multiturn encoder with Hiperface transmits sine/cosine tracks and digital data, so absolute position is available immediately after power-up without homing. Its 128 signal periods improves servo loop stiffness and low-speed smoothness.

What is the functional advantage of the 240° rotatable power/feedback connectors on MSK076C-0300-NN-M1-UP1-NNNN during machine integration?

The connectors can be rotated to align cable exit with the preferred conduit path for minimizing bend radius stress and simplifying panel routing. Its orientation flexibility also helps maintain IP65 sealing when union nuts are properly torqued.

Why is a keyed shaft specified, and how does it affect coupling selection for MSK076C-0300-NN-M1-UP1-NNNN?

Its shaft with keyway per DIN standards provides positive torque transmission and repeatable phasing for timing pulleys or rigid couplings. It reduces slip risk under transient torque and eases service alignment compared to plain interference fits.

How should the 11 Nm electrically released holding brake be sized relative to the 43.5 Nm peak torque on MSK076C-0300-NN-M1-UP1-NNNN?

The holding brake is designed for static holding and emergency stop positioning not for continuous dynamic braking. Its brake sizing resist axis backdriving under gravity or external load, while dynamic deceleration remains the drive’s responsibility.

What encoder resolution and interface considerations exist when integrating MSK076C-0300-NN-M1-UP1-NNNN with third-party controllers?

The standard optical encoder provides 128 signal periods Hiperface feedback, many controllers accept its sin/cos plus serial protocol. Its cable shielding, excitation and interpolation settings needs matching to avoid velocity ripple and phase lag.

Common Misspellings

Internal Product Review

The MSK076C-0300-NN-M1-UP1-NNNN synchronous servomotor from Bosch matches IP65 construction with a multiturn Hiperface encoder of 128 signal periods and possess 240° rotatable connectors for feedback connectivity. It offers flange mounting and comes with a balanced keyed shaft. This motor has an 11 Nm of brake system that aids secure integration and its rated speed is 4700 rpm that makes it ideal for usage in packaging, machine tools, printing and food-processing lines.