MSK050B-0300-NN-M1-BG1-NNNN Bosch Rexroth Indramat
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MPN: R911369951
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The Bosch Rexroth Indramat MSK050B-0300-NN-M1-BG1-NNNN is a standard IndraDyn S Synchronous Servomotor with a plain shaft and natural convection cooling. It features a Hiperface optical multiturn absolute encoder with a resolution of 128 signal periods and comes with a 6 Nm holding brake that is electrically released. This motor, belonging to the MSK IndraDyn S Synchronous Motors series, offers IP65 protection and operates at ambient temperatures from 0 to 40 degrees Celsius.
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Product Description:
The MSK050B-0300-NN-M1-BG1-NNNN is a synchronous servomotor produced by Bosch Rexroth Indramat and belongs to the MSK IndraDyn S Synchronous Motors series. Within automated machinery, this motor supplies precise rotary motion that can be closely coordinated with a compatible drive controller. It supports positioning, contouring, and velocity control tasks in packaging lines, machining stations, and material-handling axes. This type of motor is commonly paired with servo drives that regulate torque, speed, and position in real time. Its standard mechanical design supports installation in compact machine layouts that need repeatable servo response and consistent mounting geometry.
An optical sensor using the Hiperface protocol returns incremental and absolute data to the drive for closed-loop motion control. The encoder allows the controller to track rotor angle during startup, steady running, and commanded stops. The feedback provides 128 signal periods per revolution, and its multi-turn absolute design retains shaft position information across multiple revolutions. Size code 050 indicates a compact stator diameter, while length code B and winding 0300 suit the motor to mid-range axis duties. Motion at rest is held by an electrically released brake rated at 6 Nm. A plain output shaft transmits torque directly, and the power connector is located on the B-side to support orderly cable routing inside the machine.
Thermal behavior is managed through natural convection, so no blower or liquid loop is needed during normal operation. The motor carries a protection rating of IP65, which helps keep dust and low-pressure water jets away from internal components. Safe operation is permitted between 0–40 °C, and this range applies to the ambient air around the motor. Class 155 insulation supports winding temperatures that can occur during repeated acceleration and deceleration cycles. Passive cooling can simplify surrounding equipment because no separate motor fan wiring is required.
Frequently Asked Questions about MSK050B-0300-NN-M1-BG1-NNNN:
Q: Does the MSK050B-0300-NN-M1-BG1-NNNN motor come equipped with a holding brake?
A: This model includes a holding brake that is electrically released, providing a braking torque of 6 Nm.
Q: What type of encoder is featured on the MSK050B-0300-NN-M1-BG1-NNNN motor?
A: The MSK050B-0300-NN-M1-BG1-NNNN motor uses a multiturn absolute optical encoder with Hiperface interface.
Q: What is the acceptable ambient temperature range for operating the MSK050B-0300-NN-M1-BG1-NNNN?
A: This motor is designed to operate reliably in ambient temperatures ranging from 0°C to 40°C.
Q: What level of environmental protection does the MSK050B-0300-NN-M1-BG1-NNNN provide?
A: The protection rating for this motor is IP65, meaning it is dust tight and protected against water jets.
Q: How is the MSK050B-0300-NN-M1-BG1-NNNN motor cooled during operation?
A: The MSK050B-0300-NN-M1-BG1-NNNN has natural convection cooling and does not require an external cooling device.
