R911322703 (MSK071C-0300-NN-M1-UG2-NNNN)
MSK IndraDyn S Synchronous Motors
Technical Specifications
Product Type
Synchronous Servo Motor
Housing
Sealed
Protection Rating
IP65
Cooling Method
Convection
Ambient Temperature Range
0 to 40 degrees Celsius
Encoder Rating
128 signal periods
Encoder Support
Hiperface protocol
Holding Brake Type
Electrically releasing
Holding Torque Rating
30 Nm
Housing Design
Standard
Maximum Speed
5000 RPM
Weight
15.8 kilograms
Thermal Class
155
Housing Length
272 millimeters
Centering Diameter
130 millimeters
Mounting
Flange
Flange Size
140 millimeters
Frequently Asked Questions
What encoder system is used on MSK071C-0300-NN-M1-UG2-NNNN, and why does it matter for commissioning accuracy?
It employs an optical multiturn absolute encoder with a Hiperface interface and 128 signal periods, enabling immediate absolute position on power-up and repeatable homing-free starts. This reduces cycle-time losses and simplifies safety-related referencing in multi-axis cells.
How does the electrically-released 30 Nm holding brake on MSK071C-0300-NN-M1-UG2-NNNN support vertical-axis safety and downtime recovery?
The brake provides static torque for load-holding during emergency stops or drive disable, limiting back-drive risk on Z-axes. Electrically-released architecture integrates cleanly with IndraDrive controllers for managed clamping during controlled stops and power restoration.
How does the rotatable (≈240°) encoder connector aid serviceability on MSK071C-0300-NN-M1-UG2-NNNN?
The swivel range lets technicians clock the flange connection away from cable trays or guarding, easing strain-relief and reducing bend-radius stress. It also speeds replacement in crowded gantries by aligning plugs without re-routing harnesses.
Why is a plain-shaft configuration advantageous for precision feed modules using this code variant (0300 rated speed)?
Plain shafts accept standard couplings with low torsional wind-up, supporting smooth speed regulation at the 0300 code’s operating regime. This minimizes harmonic excitation on high-resolution encoders and helps maintain contour accuracy in multi-axis interpolation.
What are the key electrical limits—continuous and peak—of MSK071C-0300-NN-M1-UG2-NNNN, and how do they influence drive sizing?
It delivers nearly 14 Nm continuous torque from 8.5 A and 44 Nm at 32.9 A peak. It guides IndraDrive current ratings, DC-bus utilization and thermal modeling for duty-cycle-heavy axes.
Common Misspellings
MSK071C0300NNM1UG2NNNN
MSK071C 0300 NN M1 UG2 NNNN
MSK-071C-0300-NN-M1-UG2-NNNN
MSK71C-0300-NN-M1-UG2-NNNN
Internal Product Review
Bosch Rexroth Indramat designs MSK071C-0300-NN-M1-UG2-NNNN motor in a 071-frame size and C length. It comes with a 30 Nm electrically-released brake system and a plain shaft design. It uses optical multiturn feedback system that supports precise positioning. This motor relies on convection cooling and possess a rotatable 240° encoder connector for simplified integration in packaging/food, printing and metal forming.
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