MSK101D-0300-FN-S2-LG2-RNNN Bosch Rexroth Indramat
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MPN: R911325108
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The Bosch Rexroth Indramat MSK101D-0300-FN-S2-LG2-RNNN is part of the MSK IndraDyn S Synchronous Motors series and features liquid cooling with increased concentricity in its design. This synchronous servomotor offers an EnDat2.1 optical encoder with 2048 signal periods, a plain shaft, and an IP65 protection rating. It includes a left-side power connector and an electrically-released holding brake with a torque of 70 Nm.
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Product Description:
The MSK101D-0300-FN-S2-LG2-RNNN is an IndraDyn S synchronous servomotor produced by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. It delivers precise closed-loop torque and speed control for axes in machining centers, packaging machines, and other automated equipment. By combining a compact 101 frame with a D-length stator, the unit achieves high dynamic performance while remaining compatible with drive controllers from the same platform. This arrangement supports responsive motion on axes that require accurate positioning together with stable speed regulation during repeated operating cycles.
The motor housing is sealed to IP65, so dust ingress and water jets do not compromise the internal winding or the optical encoder. Because the type code carries the FN designation, the stator jacket uses liquid cooling, allowing continuous dissipation of losses at high torque density. An electrically released holding brake delivers 70 Nm of static torque, keeping vertical loads secure when power is removed. Position feedback is provided through the EnDat2.1 serial interface, and the single-turn optical encoder generates 2048 signal periods per revolution for fine interpolation in tight servo loops. Increased concentricity in the rotor-to-stator geometry minimizes radial runout and supports smoother motion. The 101 frame size and D length allow high rotor inertia without excessive mass.
The motor employs a plain shaft, making it suitable for backlash-free clamp couplings while supporting precise torque transfer. All stator conductors exit on the left side, so cable routing follows standardized machine layouts and can be directed away from adjacent moving parts. Class 155 insulation tolerates hot-spot temperatures that can arise when coolant flow is limited. The winding code 0300 indicates the electrical characteristics used by matching drive modules that run high current at moderate voltage. Service life is protected by an operating ambient range of 0 to 40 °C, matching enclosed cabinets with controlled airflow.
Frequently Asked Questions about MSK101D-0300-FN-S2-LG2-RNNN:
Q: What type of encoder is included with the MSK101D-0300-FN-S2-LG2-RNNN motor?
A: This motor uses singleturn optical encoder technology with EnDat2.1 interface and 2048 signal periods resolution.
Q: What kind of holding brake and holding torque does this motor include?
A: The MSK101D-0300-FN-S2-LG2-RNNN is equipped with an electrically-released holding brake providing 70 Nm of holding torque.
Q: What is the shaft type on the MSK101D-0300-FN-S2-LG2-RNNN?
A: This model features a plain shaft, which is suitable for direct coupling to load mechanisms.
Q: What type of cooling method does the MSK101D-0300-FN-S2-LG2-RNNN require?
A: Liquid cooling is required for this motor, as specified by the cooling code FN.
Q: What is the protection rating of this servomotor?
A: The MSK101D-0300-FN-S2-LG2-RNNN has an IP65 protection rating, allowing operation in industrial environments with dust and water spray exposure.
