MSK070C-0300-NN-M1-UG1-NNNN Bosch Rexroth Indramat
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MPN: R911310498
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The Bosch Rexroth Indramat MSK070C-0300-NN-M1-UG1-NNNN is part of the MSK IndraDyn S Synchronous Motors series and is a standard design synchronous servomotor with natural convection cooling. This model has a plain shaft, a C length, 070 motor size, and features a multiturn absolute optical encoder with Hiperface interface and 128 signal periods. It is equipped with a 23 Nm electrically released holding brake and a rotatable 240-degree encoder connector.
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Product Description:
Bosch Rexroth Indramat builds the MSK070C-0300-NN-M1-UG1-NNNN as part of the MSK IndraDyn S Synchronous Motors series. The unit is an AC servomotor intended for precise position and velocity control in automated machinery, where closed-loop feedback from an integrated encoder allows tight synchronization with drive electronics. By combining a compact 070 frame size with the C-length stator package, the motor targets medium-power axes that still require high dynamic response in packaging lines, handling robots, and material-processing equipment.
The housing is cooled by natural convection, so heat dissipates through the surface without auxiliary fans or liquid circuits, which simplifies machine integration. A rotatable connector at 240° routes the encoder lead and carries the bidirectional Hiperface interface used by many Rexroth drive controllers for digital position feedback and electronic nameplate transfer. Inside the feedback device, an incremental track delivers 128 signal periods per mechanical revolution, while an additional track uses optical scanning to improve interpolation accuracy. Absolute position across multiple revolutions is captured through a multiturn absolute counting system, so homing is not required after power-up. This feedback arrangement supports fine angular resolution, and the rotatable connector helps with cable routing in compact machine layouts.
Mechanical transmission is handled by a precision-ground shaft in size code 070, and it terminates in a plain shaft for couplings that rely on keyless clamping. The electrically released holding brake supplies up to 23 Nm of static torque to secure vertical or reciprocating loads whenever the drive is disabled. Magnetic characteristics are linked to winding code 0300, matching the stator to drives that can supply the required current and back-EMF profile without derating. This combination supports repeatable motion during frequent starts, stops, and holding periods.
Frequently Asked Questions about MSK070C-0300-NN-M1-UG1-NNNN:
Q: What type of holding brake and brake torque does the MSK070C-0300-NN-M1-UG1-NNNN motor offer?
A: The MSK070C-0300-NN-M1-UG1-NNNN motor uses an electrically-released holding brake rated at 23 Nm torque for secure load holding.
Q: What encoder technology and interface are equipped on the MSK070C-0300-NN-M1-UG1-NNNN motor?
A: This model utilizes a multiturn absolute optical encoder with Hiperface interface for precise position feedback.
Q: How is the MSK070C-0300-NN-M1-UG1-NNNN motor cooled?
A: The motor is cooled by natural convection, meaning it does not require external fans or forced cooling systems.
Q: What shaft configuration is provided on the MSK070C-0300-NN-M1-UG1-NNNN motor?
A: The shaft on this model is a plain type, offering direct and simple mechanical connection.
Q: How adjustable is the encoder connector on the MSK070C-0300-NN-M1-UG1-NNNN motor?
A: The encoder connector can be rotated up to 240°, allowing flexible mounting during installation.
