MSK100B-0300-NN-M1-AG2-NNNN Bosch Rexroth Indramat
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MPN: R911345481
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The Bosch Rexroth Indramat MSK100B-0300-NN-M1-AG2-NNNN is part of the MSK IndraDyn S Synchronous Motors series and features a natural convection cooling system with a plain shaft. This standard design servomotor includes an electrically-released holding brake with a torque of 70 Nm and has an IP65 protection rating. It comes equipped with a Hiperface optical multiturn absolute encoder with 128 signal periods and is built for motor length B.
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Product Description:
The MSK100B-0300-NN-M1-AG2-NNNN is an IndraDyn S synchronous servomotor produced by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. It is used as a rotary actuator for closed-loop motion axes where precise speed and position feedback are required by CNC, packaging, and conveying equipment. The motor couples directly to the load, allowing the connected drive controller to regulate torque and velocity without intermediate gears. This direct-drive arrangement helps reduce backlash from external transmission elements and supports responsive positioning in automated machinery. Its winding code 0300 indicates the electrical characteristics used with compatible Rexroth drives.
The motor uses natural convection for cooling, so no external blower or liquid circuit is present and heat is dissipated through the ribbed housing. Rotor position is reported by an optical encoder that uses the Hiperface interface, provides 128 signal periods of base resolution, and supports multi-turn absolute position tracking, allowing the drive to recover shaft angle after a power loss. This feedback arrangement supports stable closed-loop control during startup, acceleration, and standstill. For load-holding duties, the electrically released brake supplies 70 Nm of static torque, which helps a vertical axis remain in position when drive power is removed.
The housing is sealed to IP65, so dust and low-pressure water jets do not interfere with internal components. A plain shaft exits the front flange to support clamp couplings or shrink-fit hubs, and insulation class 155 supports continuous operation when winding temperatures stay within the permitted range. Operation is permitted in ambient conditions from 0–40 °C, and the motor uses an A-side power connector to simplify cable routing beside the machine frame. The A-side connection keeps the power lead oriented to one end of the motor, which can help in compact machine layouts. The unit is built in length B, which gives the motor its assigned housing depth within this frame size.
Frequently Asked Questions about MSK100B-0300-NN-M1-AG2-NNNN:
Q: What type of cooling is used by the MSK100B-0300-NN-M1-AG2-NNNN motor?
A: The MSK100B-0300-NN-M1-AG2-NNNN servo motor features natural convection cooling for heat dissipation.
Q: Does the MSK100B-0300-NN-M1-AG2-NNNN have a holding brake, and what is its torque?
A: This motor is equipped with an electrically-released holding brake providing 70 Nm of torque.
Q: What kind of encoder is featured in the MSK100B-0300-NN-M1-AG2-NNNN motor?
A: The encoder utilizes optical technology with a Hiperface interface and 128 signal periods of resolution.
Q: What type of encoder turn does the MSK100B-0300-NN-M1-AG2-NNNN use?
A: The motor supports multiturn absolute position feedback.
Q: What is the protection rating of the MSK100B-0300-NN-M1-AG2-NNNN servo motor?
A: This model has a protection rating of IP65, making it resistant to dust and water jets.
