R911328977 (MSK075E-0200-NN-M1-UG0-NNNN)

MSK IndraDyn S Synchronous Motors

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MSK075E-0200-NN-M1-UG0-NNNN Series Image

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The Bosch Rexroth IndraDyn S synchronous servomotor R911328977 (MSK075E-0200-NN-M1-UG0-NNNN) features natural convection cooling and a plain shaft design. It is equipped with a rotatable encoder connector (240°) utilizing Hiperface optical multiturn absolute technology with 128 signal periods of resolution. The motor operates with a winding inductance of 8.4 mH, winding resistance of 1.24 Ω, and maintains a continuous standstill current of 11.2 A at 100 K, achieving continuous torque of 23.0 Nm under the same conditions. Maximum current and torque are 45.9 A and 88.0 Nm, respectively. The housing is IP65 rated with a black corrosion-resistant finish, thermal class 155, and the unit weighs 22.5 kg. It is designed for operation between 0 and 40°C and at altitudes up to 1000 m. No holding brake is included; integration with a suitable drive controller is required.

Technical Specifications

Product
Bosch Rexroth Synchronous Motor

Electrical Socket Rotation
240 degrees

Maximum Speed
3850 RPM

Operating Temperature
0 to +40 degrees Celsius

Altitude Range
0 to 1000 meters

Constant Current Consumption
15.3 A

Constant Torque Output
31.5 Nm

Maximum Torque Output
88 Nm

Torque at 60 RPM
21 Nm

Exterior Paint Color
Black

Output Shaft
Plain with Sealing Ring

Sound Production
Less than 75 decibels

Weight
22.5 kg

Winding Resistance
1.24 ohms

Winding Inductance
8.40 mH

Thermal Time Constant
29 minutes

Encoder
Multiple-turn absolute Hiperface

Continuous Torque at 100k
23 Nm

Continuous Current at 100k
11.2 A

Thermal Class
155

IP Certification
IP65

Requirement
Drive Controller for operation

Installation Requirement
Skilled Professionals.

Frequently Asked Questions

How does the optical multiturn absolute Hiperface encoder in MSK075E-0200-NN-M1-UG0-NNNN enhance servo feedback compared with incremental-only systems?

It delivers absolute position across multiple revolutions and high-resolution sine/cosine periods for precise commutation and closed-loop control. It blends absolute and incremental channels for improving startup alignment and fine interpolation without homing cycles.

What installation advantages come from the 240° rotatable encoder connector on MSK075E-0200-NN-M1-UG0-NNNN?

The swivel range eases cable exit orientation in tight cabinets or moving axes to reduce bend stress and EMI coupling. Its optimized dress-pack routing improves serviceability and minimizes connector strain during axis articulation.

Why specify a plain shaft on MSK075E-0200-NN-M1-UG0-NNNN, and how does it affect coupling selection?

The plain shaft gives broad compatibility with zero-backlash bellows or elastomer couplings and precision planetary gearheads. Its hub clamping and runout specs preserve encoder linearity and torsional stiffness.

How does the encoder’s optical sensing with 128 signal periods influence motion quality on MSK075E-0200-NN-M1-UG0-NNNN?

The optical sensing supports fine interpolation and low jitter for improving contour accuracy and surface finish. Its period count enables high effective resolution for tight velocity loops and smooth creep speeds.

How does “multiturn absolute” on MSK075E-0200-NN-M1-UG0-NNNN help in geared or linear-converted mechanisms?

It preserves absolute position over many turns to maintain count through power cycles that is vital for screw drives and gear-reduced actuators. It prevents out-of-synchronism starts and eliminates homing fixtures.

Common Misspellings

Internal Product Review

The Rexroth Indramat’s MSK075E-0200-NN-M1-UG0-NNNN servo motor integrates an optical multiturn absolute Hiperface encoder with 128 periods through a 240° rotatable connector. It uses natural-convection cooling and possess a plain shaft design. This unit comes with no holding brake and its rated torque value is 23 Nm, while its peak torque measures 88 Nm. It is suitable for machine tools, packaging, printing, food processing, robotics and metal-forming lines.