R911326729 (MSK050B-0450-NN-S1-UG0-NNNN)

Name: R911326729 (MSK050B-0450-NN-S1-UG0-NNNN)
Brand: Indramat Motors
SKU: MSK050B-0450-NN-S1-UG0-NNNN
Price: 178.00 USD
Availability: InStock

MSK IndraDyn S Synchronous Motors

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The R911326729 (MSK050B-0450-NN-S1-UG0-NNNN) is a Rexroth IndraDyn S synchronous servomotor designed for demanding industrial applications, supporting four pole pairs and a top speed of 4000 RPM. It operates at 73.5 V and draws up to 11.2 A, delivering a maximum torque of 9.0 Nm and 1.2 Nm/A at 20 °C. This motor features natural convection cooling, plain shaft, B-length, size 050 design, and a winding code of 0450. Feedback and power connections are made via a 240° rotatable plug. The optical Hiperface encoder provides 128 signal periods, singleturn feedback, and a rotatable interface. Continuous current at standstill (100 K) is 3.2 A with 3.4 Nm torque. The operating environment allows for temperatures up to 45 °C and altitudes up to 1000 meters; storage temperature can reach 75 °C. Winding inductivity is 33,600 mH. No holding brake is included.

Technical Specifications

Protection Class
IP65

Operational Speed Range
Broad

Maximum Speed
4000 RPM

Rated Current
11 Amperes

Power Cable
Yes

Motor Feedback Cable
Yes

Electrical Plug
240-degree rotatable

Number of Pole Pairs
4

Input Voltage at 20 degrees Celsius
73.5 volts

Output Torque
1.2newton-meters per ampere

Maximum Operating Ambient Temperature
45 degrees Celsius

Maximum Storage Ambient Temperature
75 degrees Celsius

Maximum Operational Altitude
1000 meters above sea level

Frequently Asked Questions

What is the benefit of a singleturn encoder over multiturn in this motor?

A singleturn optical encoder gives high resolution feedback for each 360° rotation without extra gearing. It simplifies system design when absolute multi-revolution position memory is handled elsewhere.

Why is a plain shaft preferred in MSK050B-0450-NN-S1-UG0-NNNN motor?

A plain shaft of MSK050B-0450-NN-S1-UG0-NNNN motor allows direct coupling to gearboxes or couplings without special features. It reduces mechanical complexity and cost when no brake or keyed shaft is required.

In what industrial applications is MSK050B-0450-NN-S1-UG0-NNNN motor commonly used?

This MSK050B-0450-NN-S1-UG0-NNNN motor is well suited for robotics, packaging machines, and automated assembly lines, offering compact size, high torque density, and precision feedback. Its dynamics support repeatable motion in critical tasks.

How does the maximum current 11.2 A limit the motor’s transient performance?

The 11.2 A ceiling governs how fast the motor can accelerate to torque peaks before reaching current saturation. In short bursts, it determines how aggressively the motor can respond under control.

What advantage does the Hiperface interface bring to MSK050B-0450-NN-S1-UG0-NNNN motor?

The hiperface of MSK050B-0450-NN-S1-UG0-NNNN motor transfers absolute encoder data and status via serial plus analog signals over two wires, reducing cable count. It supports high-speed feedback with robust signal integrity.

Common Misspellings

MSK050B0450NNS1UG0NNNN

MSK050B 0450 NN S1 UG0 NNNN

MSK-050B-0450-NN-S1-UG0-NNNN

MSK50B-0450-NN-S1-UG0-NNNN

Internal Product Review

The Bosch Rexroth Indramat MSK050B-0450-NN-S1-UG0-NNNN synchronous servomotor delivers 3.4 Nm continuous torque and 9.0 Nm peak torque with natural convection cooling and optical encoder feedback. Its plain shaft design and Hiperface interface simplify integration with IndraDrive systems. Widely used in robotics, packaging machinery, and automated assembly, it ensures precise motion control in compact setups.