R911370862 (MSK071C-0300-FN-M1-UG2-NNNN)

MSK IndraDyn S Synchronous Motors

MSK071C-0300-FN-M1-UG2-NNNN Series Image

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The R911370862 (MSK071C-0300-FN-M1-UG2-NNNN) is an MSK071C series IndraDyn S synchronous servomotor from Bosch Rexroth. This model features a liquid-cooled design for efficient heat dissipation and is equipped with an electrically-released holding brake with 30 Nm torque. It utilizes an optical multiturn absolute encoder with Hiperface interface, supporting 128 signal periods and indirect absolute position evaluation across 4,096 mechanical rotations. The motor provides a continuous stator current of 8.5 A, a continuous torque of 14.0 Nm at 100 K, and peak values up to 32.9 A and 44.0 Nm. The rotatable encoder connector allows for flexible mounting, and a plain shaft with sealing ring is included. Maximum winding inductivity is 10,900 mH, with reliable operation under ambient temperatures up to 40°C and 95% relative humidity.

Technical Specifications

Motor Type
Synchronous Servo Motors

Mechanical Rotations
4096

Shaft Type
Standard plain shaft with shaft sealing ring

Holding Brake Torque
30Nm

Cooling Method
Liquid-cooled

Max Relative Humidity
95%

Max Ambient Temperature
40°C

Frequently Asked Questions

Why is a 30 Nm electrically released holding brake used, and what are its limits on MSK071C-0300-FN-M1-UG2-NNNN?

It secures axes against drift at standstill or during power-off to resist back-driving loads up to the brake’s static torque. It’s not designed as a dynamic/service brake for repetitive energy absorption during motion.

How does the FN liquid-cooling option on MSK071C-0300-FN-M1-UG2-NNNN influence duty cycles and integration?

It enables sustained thermal headroom for repetitive acceleration/braking or prolonged stall torque if the external circuit maintains rated flow and supply pressure.

What does the “M1” encoder in MSK071C-0300-FN-M1-UG2-NNNN provide compared with single-turn devices?

The M1 is an optical multiturn absolute Hiperface encoder with 128 signal periods for delivering absolute position across revolutions and fine interpolation for precise commutation. It simplifies homing and improves low-speed smoothness and stiffness when paired with IndraDrive controllers.

What installation advantages come from the “U” 240° rotatable connector on MSK071C-0300-FN-M1-UG2-NNNN?

The rotatable plug lets you clock the connector for optimal cable exit for improving strain relief in tight cabinets and moving axes. It reduces bend-radius stress and simplifies EMC-conscious routing in multi-axis builds.

How does Hiperface communication on MSK071C-0300-FN-M1-UG2-NNNN assist commissioning and diagnostics?

The Hiperface combines analog sine/cosine tracks with digital RS-485 data for absolute position and encoder diagnostics. It supports quick startup, error reporting and reliable interpolation in high-resolution motion profiles.

Common Misspellings

Internal Product Review

Bosch Rexroth Indramat manufactures MSK071C-0300-FN-M1-UG2-NNNN as a servo motor that uses liquid cooling for maintaining operatable thermal range. It has an optical encoder for providing precise speed and motion control. This motor comes with an integrated 30 Nm holding brake and delivers a rated torque of 14.0 Nm. It fits in machine-tool, packaging and printing roles due to its 240° rotatable connector that eases installation and plain shaft design for simplifying coupling.

1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.