R911339681 (MSK071C-0300-FN-M2-UG2-RNNK)
MSK IndraDyn S Synchronous Motors
Technical Specifications
Pole Pairs
4
Maximum Speed
5000 rpm
Encoder Type
Multiturn Absolute Integrated
Encoder Interface
EnDat 2.1
System Accuracy
±20 angular seconds
Maximum Torque
44.0Nm
Rotor Moment of Inertia
0.00173kgm2
Output Shaft
Plain with shaft sealing ring
Holding Brake Type
Electrically-released
Holding Torque
30Nm
Cooling System
Liquid-cooled
Housing Varnish
Black (RAL9005) 2K epoxy resin coating
Operating Temperature
0°C to 40°C
Maximum Relative Humidity
95%.
Frequently Asked Questions
Why is a rotatable 240° encoder/power connector useful during machine integration of MSK071C-0300-FN-M2-UG2-RNNK?
The swivel range lets builders orient cable exits away from moving parts or heat sources for easing routing in compact cabinets and gantries. It also reduces bending stress and EMI coupling risks in dynamic cable tracks.
What advantages does the optical multiturn EnDat 2.1 encoder provide for MSK071C-0300-FN-M2-UG2-RNNK in precise positioning?
The EnDat 2.1 delivers digital, bidirectional feedback with 2048 signal periods and multi-turn counting for around 4096 mechanical revolutions for ensuring accurate absolute position after power cycles. It simplifies homing to reduce cycle time and improve interpolation for contouring.
How does the liquid-cooling “FN” variant in MSK071C-0300-FN-M2-UG2-RNNK influence thermal headroom and duty cycles?
The liquid jackets remove heat directly from the stator for sustaining torque at elevated ambient temperatures and high RMS loading. It enables longer continuous operation at the 14 Nm rating and reliable peaks to 44 Nm in tight enclosures.
How does the 30 Nm electrically-released holding brake help in vertical-axis safety for MSK071C-0300-FN-M2-UG2-RNNK?
The brake holds the load at standstill or during emergency stops for preventing Z-axis drift when the drive is disabled. It complements IndraDrive safety functions by providing mechanical retention during power loss or maintenance.
How does continuous current 8.5 A at 100 K relate to the 14 Nm continuous torque in this code variant?
The specified thermal point, 8.5 A yields 14 Nm that defines the axis’ continuous working point under rated cooling. Its accurate thermal modeling ensures the controller respects this current to avoid demagnetization or insulation stress.
Common Misspellings
MSK071C0300FNM2UG2RNNK
MSK071C 0300 FN M2 UG2 RNNK
MSK-071C-0300-FN-M2-UG2-RNNK
MSK71C-0300-FN-M2-UG2-RNNK
Internal Product Review
The Bosch Rexroth’s synchronous motor MSK071C-0300-FN-M2-UG2-RNNK possess advanced liquid-cooling for thermal stability and uses an optical multiturn EnDat 2.1 encoder for providing feedback. It is accompanied by a rotatable 240° connectors and a 30 Nm brake system for controlled operations. This unit generates 44 Nm of peak torque and utilizes 8.5 A in continuous as well as 32.9 A currents peak load condition to suit packaging, printing, metal-forming and CNC machine tools.
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