R911379827 (MSK071C-0200-NN-S1-UG2-NNNN)

Name: R911379827 (MSK071C-0200-NN-S1-UG2-NNNN)
Brand: Indramat Motors
SKU: MSK071C-0200-NN-S1-UG2-NNNN
Price: 559.00 USD
Availability: InStock

MSK IndraDyn S Synchronous Motors

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The Rexroth Indramat synchronous servomotor, MPN R911379827 (MSK071C-0200-NN-S1-UG2-NNNN), is specified with a holding torque of 30 Nm and can draw up to 23.4 A maximum current. It supplies continuous torque of 18 Nm at a continuous current of 7.8 A; at 100 K, these values are 14.0 Nm and 6.1 A respectively. The unit features natural convection cooling, a plain shaft with a sealing ring, and an electrically-released holding brake rated at 30 Nm. The device includes a singleturn optical Hiperface encoder with 128 signal periods and a rotatable 240° electrical connector. It is designed for operation from 0 to 40°C, has four polar pairs, a thermal time constant of 15 minutes, a maximum speed of 3500 RPM, winding inductivity of 19,500 mH, and weighs 16.2 kg. Proper operation and installation should be carried out by qualified personnel.

Technical Specifications

Constant Current
18 Nm

Continuous Current
7.8 A

Operating Temperature Range
0 to +40 degree Celsius

Holding Brake Weight
1.9 kg

Holding Torque
30 Nm

Current Consumption
0.94 A

Torque Constant
2.50 Nm/A

Winding Resistance
3.10 ohms

Maximum Rotational Speed
3500 revolutions per minute

Maximum Current Intake
23.4 amps

Motor Weight
16.2 kilograms

Torque Rating
44 Nm

Singleturn Hiperface Encoder
Yes

Polar Pairs
4

Thermal Time Constant
15 minutes

Voltage Constant
155.5 V/1000min-1

Rotating Electrical Plug
240-degree

Output Shaft
Plain with Sealing Ring

Frequently Asked Questions

Why specify the rotatable 240° encoder connector on MSK071C-0200-NN-S1-UG2-NNNN for dense machines?

The swiveling connector improves cable routing in cramped cabinets and gantries for minimizing bend radius violations and EMI coupling. Its orientation flexibility also reduces strain on feedback leads during service swaps to improve long-term reliability in multi-axis frames.

How does the Hiperface single-turn optical encoder on MSK071C-0200-NN-S1-UG2-NNNN aid servo loop stability and commissioning?

Its sine/cosine process channel provides analog feedback plus absolute position per revolution for easing homing and improving phase alignment for smooth current control and velocity regulation. Its standardized supply/levels simplify drive integration and cable-length budgeting.

What role does the 30 Nm electrically-released holding brake play on MSK071C-0200-NN-S1-UG2-NNNN in vertical axes?

It secures the load at power-down or e-stop without external clamps for helping meet safety requirements. Its electrical release allows precise interlocks so torque is only removed when the drive achieves safe states.

How do the 14 Nm standstill torque and 23.4 A Imax interplay during transient moves on MSK071C-0200-NN-S1-UG2-NNNN?

The rated stall torque defines continuous holding/low-speed capability at thermal limits, while peak current enables short bursts up to 44 Nm for acceleration/overcoming static friction if duty-cycle and thermal models are obeyed.

What’s the benefit of a plain shaft on MSK071C-0200-NN-S1-UG2-NNNN for precision couplings?

It supports backlash-free clamping or shrink-disk couplers and simplifies alignment to ballscrews, gearheads or timing-pulleys. Its proper hub selection limits runout and protects shaft seals during high-duty reversing.

Common Misspellings

MSK071C0200NNS1UG2NNNN

MSK071C 0200 NN S1 UG2 NNNN

MSK-071C-0200-NN-S1-UG2-NNNN

MSK71C-0200-NN-S1-UG2-NNNN

Internal Product Review

Bosch Rexroth produces the AC motor MSK071C-0200-NN-S1-UG2-NNNN with a plain shaft design and it is equipped with a 30 Nm electrically-released brake system. It connects through a provided 240° connector and uses a Hiperface single-turn optical encoder of 128 periods. This motor is designed for 14 Nm standstill torque and 44 Nm peak torque. It is widely used in packaging, machine-tool and printing lines that requires precise feedback.