MSK050C-0300-NN-M1-UG1-NSNN Bosch Rexroth Indramat
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MPN: R911331078
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The Bosch Rexroth Indramat MSK050C-0300-NN-M1-UG1-NSNN is part of the MSK IndraDyn S Synchronous Motors series and features a natural convection cooling method. This servomotor comes with a rotatable 240-degree encoder connector, Hiperface optical encoder technology, and IP65 protection rating. It has a plain shaft, operates in ambient temperatures from 0 to 40°C, and includes an electrically-released holding brake with 6 Nm torque.
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Product Description:
The MSK050C-0300-NN-M1-UG1-NSNN is an IndraDyn S synchronous servo motor built by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. In automated lines, the unit drives rotary or linear axes that require precise closed-loop positioning, and it can be used in standard or explosion-protected installations. Its compact housing fits machines where installation space is limited but repeatable motion is still required. The motor is intended for servo applications in which the drive must regulate speed, position, and load holding through one integrated feedback system. This makes it suitable for pick-and-place devices, indexing tables, and material-handling stations that operate from a single drive platform.
Heat is dissipated through natural convection, so no external fan or liquid circuit is required. A housing rated at IP65 shields the interior from dust and water jets, allowing mounting close to the driven machine. The sealed enclosure also supports use in production areas where airborne debris or routine washdown may be present. Class 155 insulation tolerates elevated winding temperatures while supporting reliable operation during repeated motion cycles. An electrically released brake supplies 6 Nm of holding torque to lock vertical loads when the drive is disabled. Rotor position data are delivered over the Hiperface interface, enabling absolute feedback without a separate homing move. Optical sensing, a rotatable 240° encoder connector, and multi-turn absolute functionality are integrated to support stable startup behavior and flexible cable routing.
The optical encoder resolves rotation into 128 signal periods per turn, and its multi-turn counter preserves position across power cycles. Output is transferred through a plain shaft, which supports direct coupling arrangements without a keyed connection. Because the shaft is not keyed, torque is usually transferred through a friction-locking coupling matched to the driven load. Continuous duty is supported at ambient temperatures of 0–40 °C, and the shaft seal helps keep contaminants away from internal parts during washdown. Winding code 0300 sets the stator impedance and back-EMF constants used by the matching drive.
Frequently Asked Questions about MSK050C-0300-NN-M1-UG1-NSNN:
Q: What type and torque of holding brake does the MSK050C-0300-NN-M1-UG1-NSNN motor have?
A: This model includes an electrically-released holding brake with a torque capacity of 6 Nm.
Q: What kind of encoder and what resolution does the MSK050C-0300-NN-M1-UG1-NSNN feature?
A: The MSK050C-0300-NN-M1-UG1-NSNN uses a multiturn absolute optical encoder with a resolution of 128 signal periods.
Q: How is the MSK050C-0300-NN-M1-UG1-NSNN motor cooled?
A: This servo motor is cooled by natural convection, without the need for forced cooling.
Q: What is the protection rating of the MSK050C-0300-NN-M1-UG1-NSNN servo motor?
A: The protection rating for this model is IP65, offering complete dust protection and resistance to water jets.
Q: What kind of encoder connector is provided on the MSK050C-0300-NN-M1-UG1-NSNN motor?
A: It comes equipped with a rotatable encoder connector that allows for 240° positioning.
