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MSK100B-0300-NN-S2-LG0-RNNN Bosch Rexroth Indramat

MPN: R911336551

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The Bosch Rexroth Indramat MSK100B-0300-NN-S2-LG0-RNNN is part of the MSK IndraDyn S Synchronous Motors series and features natural convection cooling and an IP65 protection rating. This servomotor includes an optical EnDat2.1 singleturn encoder with a resolution of 2048 signal periods and operates in ambient temperatures from 0 to 40°C. The design offers increased concentricity and a plain shaft, with no holding brake and a left-side power connector.

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Product Description:

The MSK100B-0300-NN-S2-LG0-RNNN is a synchronous motor engineered by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. The unit serves as a direct-drive actuator in industrial automation, converting servo drive current into accurate rotary motion for cutting heads, indexing tables, and gantry axes. Its electromagnetic layout is optimized for low torque ripple, allowing precise positioning during high-cycle processes where repeatability is critical. This operating principle helps the axis deliver smooth acceleration, accurate stopping, and stable low-speed motion in automated equipment.

A frame size of 100 pairs with motor length B to provide medium torque output within a manageable installation depth, while the rotor is ground for increased concentricity and smoother running at higher speeds. Cooling relies on natural convection, so enclosure airflow is sufficient without external fans. The left-side power connector simplifies cable routing in multi-axis machines. Position feedback is produced by an optical system that uses the EnDat2.1 interface with 2048 signal periods of internal resolution, and the single-turn format supports absolute position capture over one mechanical revolution. An IP65 rating seals the housing against dust and water spray, enabling mounting directly on the machine frame. Because no external fan is required, the motor can be integrated into compact machine sections with fewer exposed cooling components.

A plain shaft output allows direct coupling through rigid or flexible elements, and the motor is supplied without a holding brake, so external measures must secure static loads when power is removed. The motor uses insulation class 155 to support winding temperatures associated with intensive duty cycles. It is intended for ambient temperatures from 0 to 40 °C, which matches common shop-floor conditions. Winding code 0300 identifies the electromagnetic setup used by the matching drive for current control and commutation. This arrangement is common on axes that use external clamps or rely on controlled torque at standstill.

Cooling
Natural convection
Design
Increased concentricity
Encoder Interface
EnDat2.1
Encoder Resolution
2048 signal periods
Encoder Technology
Optical
Encoder Turn Type
Singleturn
Holding Brake
Without holding brake
Motor Length
B
Motor Size
100
Operating Ambient Temperature Range
0-40°C
Power Connector
Left-Side
Product Type
IndraDyn S Synchronous Servomotor
Protection Rating
IP65
Shaft Type
Plain shaft
Thermal/Insulation Class
155
Winding Code
0300
  • MSK100B0300NNS2LG0RNNN
  • MSK100B 0300 NN S2 LG0 RNNN
  • MSK-100B-0300-NN-S2-LG0-RNNN

Frequently Asked Questions about MSK100B-0300-NN-S2-LG0-RNNN:

Q: What type of encoder technology is used in the MSK100B-0300-NN-S2-LG0-RNNN motor?

A: This model features optical encoder technology for position feedback.

Q: How is the MSK100B-0300-NN-S2-LG0-RNNN motor cooled?

A: The MSK100B-0300-NN-S2-LG0-RNNN motor is cooled by natural convection.

Q: Does the MSK100B-0300-NN-S2-LG0-RNNN include a holding brake?

A: This motor comes without a holding brake installed.

Q: What type of shaft does the MSK100B-0300-NN-S2-LG0-RNNN motor have?

A: The shaft of this motor is configured as a plain shaft with no keyway.

Q: What is the protection rating of the MSK100B-0300-NN-S2-LG0-RNNN motor?

A: The protection rating of the MSK100B-0300-NN-S2-LG0-RNNN motor is IP65.


Internal Product Review

  • ‘‘The MSK100B-0300-NN-S2-LG0-RNNN is an IndraDyn S synchronous servomotor with natural convection cooling. EnDat2.1 feedback and 2048 signal periods support accurate positioning and stable motion control. Increased concentricity and IP65 protection make the motor a very capable choice for demanding servo applications.’’

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