MSK070E-0300-NN-M2-UG1-RNNN Bosch Rexroth Indramat
MPN: R911318418
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The Bosch Rexroth Indramat MSK070E-0300-NN-M2-UG1-RNNN is part of the MSK IndraDyn S Synchronous Motors series and features natural convection cooling with a protection rating of IP65. This servomotor uses an optical multiturn absolute encoder with EnDat2.1 interface and 2048 signal periods, and includes a holding brake with 23 Nm torque.
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Product Description:
Bosch Rexroth Indramat manufactures the MSK070E-0300-NN-M2-UG1-RNNN in its MSK IndraDyn S Synchronous Motors series. This servo motor is used in industrial automation to drive axes that require high positional accuracy and smooth speed control. Its frame follows the 070 size code, and the E length gives the stator more active iron for higher torque density while keeping the overall footprint compact. A plain shaft simplifies direct coupling to gearboxes or load shafts, and its internal geometry supports high concentricity to minimize runout in precision machines. It is suited for machine axes that need repeatable motion during frequent start-and-stop cycles.
The motor relies on natural convection for cooling, so no external fan or coolant circuit is needed and adequate airflow around the housing is required. An enclosure rating of IP65 seals the stator, terminals, and encoder against dust ingress and low-pressure water jets commonly present on factory floors. For static holding or emergency stops, its electrically released brake provides 23 Nm of restraining torque, and the brake disengages automatically when power is restored. Position feedback comes from an optical encoder with 2048 signal periods per mechanical revolution, and digital communication with the drive takes place over EnDat2.1, which supports electronic nameplate reading and single-cable technology in many drive packages. This feedback arrangement supports precise commutation and stable axis control during operation.
The feedback unit is a multi-turn device, allowing up to 4096 mechanical revolutions to be tracked without battery backup. This allows the drive to retain position information over multiple shaft turns without a battery. A rotatable 240° encoder connector eases cable routing in tight enclosures. The motor uses insulation class 155, which matches F-class winding requirements. Continuous operation is permitted in an ambient range of 0–40 °C. The electromagnetic design matches the 0300 winding code used by compatible drives.
Frequently Asked Questions about MSK070E-0300-NN-M2-UG1-RNNN:
Q: How is the MSK070E-0300-NN-M2-UG1-RNNN motor cooled?
A: This model features natural convection cooling, operating without the need for external fans or forced ventilation.
Q: What type of holding brake does the MSK070E-0300-NN-M2-UG1-RNNN motor have and what is its torque?
A: The MSK070E-0300-NN-M2-UG1-RNNN is equipped with an electrically-released holding brake that provides 23 Nm of braking torque.
Q: What type of encoder is integrated into the MSK070E-0300-NN-M2-UG1-RNNN motor and what is its resolution?
A: The encoder on this motor uses optical technology and offers a multiturn absolute EnDat2.1 interface with 2048 signal periods of resolution.
Q: What kind of shaft does the MSK070E-0300-NN-M2-UG1-RNNN servomotor have?
A: The shaft on this servomotor is a plain shaft design without keyway or gearing.
Q: What is the allowed ambient temperature range for the MSK070E-0300-NN-M2-UG1-RNNN during operation?
A: The MSK070E-0300-NN-M2-UG1-RNNN motor is rated for operation within an ambient temperature range of 0 to 40°C.