MSK100C-0300-NN-S2-BP2-RNNN Bosch Rexroth Indramat
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MPN: R911369861
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The Bosch Rexroth Indramat MSK100C-0300-NN-S2-BP2-RNNN is part of the MSK IndraDyn S Synchronous Motors series, featuring a motor size of 100 and a length C. It uses natural convection for cooling and incorporates an EnDat2.1 optical encoder with a 2048 signal period resolution. The servomotor includes a shaft with keyway, a holding brake with 70 Nm torque, and an IP65 protection rating.
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Product Description:
The MSK100C-0300-NN-S2-BP2-RNNN is a synchronous servomotor produced by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. It is intended for closed-loop motion tasks such as positioning axes, packaging stations, and other automated equipment that requires precise speed and torque control. In service, the motor converts drive commands into controlled rotary motion so the axis can accelerate, hold speed, and stop with repeatable accuracy. The compact housing supports installation where machine space is limited, and the keyed output shaft can connect directly to common hubs, pulleys, or gear stages.
Cooling is handled by natural convection, so the housing does not require an external fan or liquid circuit under normal airflow conditions. The enclosure is rated IP65, which helps protect internal parts from dust and water jets in industrial environments. Bosch Rexroth also specifies increased concentricity to reduce runout at the load interface, which supports smoother coupling to connected transmission components. Integrated feedback uses the EnDat2.1 serial interface, and the optical encoder provides 2048 signal periods per revolution for precise position data. An electrically released brake provides 70 Nm of static holding torque, and the power connector is mounted on the B-side to support compact cable routing.
The encoder operates in single-turn mode, so it reports the absolute rotor position within one mechanical revolution and suits axes that are re-homed during normal machine cycles. The motor uses insulation class 155 and supports continuous operation in ambient temperatures from 0 to 40 °C without derating. This version uses the C-length housing with winding code 0300, which matches the electromagnetic layout used for this frame size. The longer housing format provides additional active length for the magnetic assembly, helping the motor deliver the torque density expected from the MSK100 platform.
Frequently Asked Questions about MSK100C-0300-NN-S2-BP2-RNNN:
Q: What type of encoder and resolution does the MSK100C-0300-NN-S2-BP2-RNNN motor use?
A: The MSK100C-0300-NN-S2-BP2-RNNN motor is equipped with a singleturn optical EnDat2.1 encoder that provides 2048 signal periods per revolution.
Q: Does the MSK100C-0300-NN-S2-BP2-RNNN include a holding brake, and what is its torque?
A: This motor features a holding brake that is electrically-released and provides a holding torque of 70 Nm.
Q: What cooling method is used in the MSK100C-0300-NN-S2-BP2-RNNN motor?
A: The motor is cooled by natural convection, allowing it to operate quietly without external fans.
Q: What type of shaft is included with the MSK100C-0300-NN-S2-BP2-RNNN motor?
A: This model comes with a shaft that includes a keyway for secure mechanical connection.
Q: What is the protection rating for the MSK100C-0300-NN-S2-BP2-RNNN motor?
A: It has a protection rating of IP65, which safeguards against dust and low-pressure water jets.
