MSK030C-0900-NN-M1-BG1-NNNN Bosch Rexroth Indramat
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MPN: R911331074
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The Bosch Rexroth Indramat MSK030C-0900-NN-M1-BG1-NNNN is an IndraDyn S Synchronous Servomotor with a design that features natural convection cooling and a plain shaft. As part of the MSK IndraDyn S Synchronous Motors series, it has a multiturn absolute optical encoder with Hiperface interface and 128 signal periods. The motor includes an electrically released holding brake with a torque of 1 Nm and has an IP65 protection rating.
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Product Description:
The MSK030C-0900-NN-M1-BG1-NNNN is a compact servomotor manufactured by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. As an IndraDyn S synchronous servomotor, it converts drive current from Rexroth controllers into precise rotary motion for positioning and speed control in industrial automation cells. Its compact format suits handling units, small feed axes, and other machinery where installation space is limited. The motor uses a standard design style with a B-side power connector, which keeps the cable exit parallel to the mounting face. Size code 030 and length code C indicate a short motor body, while winding code 0900 identifies the electrical winding used for this speed-torque variant.
This model relies on natural convection to move heat away from its stator, eliminating the need for external fans and supporting installation in tight enclosures. The housing carries an IP65 rating, so dust ingress is prevented and water jets do not contact live parts. A plain shaft transmits torque without keyways, which helps minimize mechanical play in couplings. During operation, the motor can run in surrounding air from 0 to 40 °C, matching typical cabinet climates. Its digital feedback is transmitted through a Hiperface encoder interface, and the insulation system uses thermal class 155 for winding temperatures up to 155 °C. This arrangement keeps the motor exterior sealed while avoiding the added maintenance associated with fan-based cooling hardware.
The position transducer refines the Hiperface link by using 128 signal periods per mechanical revolution, and its optical scanning method detects fine grating changes for high-resolution feedback. Because the sensing head is a multiturn absolute device, it reports shaft location over multiple revolutions without needing a battery. Battery-free position retention helps the drive recover shaft location after power is restored. An electrically released holding brake is integrated for safety and provides 1 Nm of static torque so vertical loads remain stationary when power is removed.
Frequently Asked Questions about MSK030C-0900-NN-M1-BG1-NNNN:
Q: How is the MSK030C-0900-NN-M1-BG1-NNNN servo motor cooled?
A: The MSK030C-0900-NN-M1-BG1-NNNN motor is cooled by natural convection, requiring no external fans or forced cooling systems.
Q: What type of encoder does the MSK030C-0900-NN-M1-BG1-NNNN motor use?
A: This model features a multiturn absolute optical encoder with Hiperface interface and 128 signal periods resolution.
Q: Does the MSK030C-0900-NN-M1-BG1-NNNN motor come with a holding brake and what is its torque?
A: The MSK030C-0900-NN-M1-BG1-NNNN includes an electrically-released holding brake with a torque of 1 Nm.
Q: Where is the power connector positioned on the MSK030C-0900-NN-M1-BG1-NNNN?
A: The power connector for this motor is located on the B-side, streamlining electrical connections in installations.
Q: What protection class does the MSK030C-0900-NN-M1-BG1-NNNN offer?
A: The motor has a protection rating of IP65, making it dust-tight and protected against water jets from any direction.
