MKD025B-144-KG0-UN Bosch Rexroth Indramat
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MPN: R911288060
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The Bosch Rexroth Indramat MKD025B-144-KG0-UN is a servo motor from the MKD Synchronous Motors series. It features a continuous torque at standstill of 0.9 Nm, a flange size of 54 mm, and resolver feedback with an integrated encoder. The motor has IP65 protection and a plain shaft with a shaft seal, and operates within an ambient temperature range of 0 to 40°C.
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Product Description:
The MKD025B-144-KG0-UN is a servo motor produced by Bosch Rexroth Indramat in the MKD Synchronous Motors series. Intended for tightly controlled axes, it combines a compact stator, integrated feedback, and a sealed housing to deliver responsive torque in automated assembly, packaging, and material-handling equipment. The unit functions as the electromechanical element of a closed-loop drive, converting command currents from a compatible inverter into rotational motion with high positional repeatability. Its compact format makes it suitable for applications where precise motion must be achieved without taking up unnecessary installation space.
It attaches to the machine frame through a centering pilot of 40 mm, which helps keep the shaft aligned with the driven load. A square flange pattern of 54 mm provides the mounting interface for size-025 layouts, while the plain shaft and shaft seal help protect the bearing area from contamination. The electromagnetic package delivers 0.9 Nm of continuous standstill torque, allowing the motor to maintain load at zero speed within its thermal limits. The housing is sealed to IP65, which helps keep out dust and low-pressure water jets. Mechanical positioning accuracy is within ±8 angular minutes, supporting coordinated motion where several axes must reach the same reference point with consistent repeatability.
Power and encoder connections are mounted on a block that can be rotated through 270°, which helps route cables in confined machine spaces. Motion feedback is provided by resolver feedback, allowing the connected drive to monitor rotor position during closed-loop operation. Continuous operation is permitted in ambient temperatures from 0-40 °C, and the motor comes without a holding brake for applications that do not require static shaft clamping. The electrical characteristics follow winding code 144, paired with stator length B to support responsive motion in high-cycle duty. This arrangement supports stable speed control, repeatable positioning, and smooth integration into compact servo-driven machinery.
Frequently Asked Questions about MKD025B-144-KG0-UN:
Q: What type of feedback and position detection does the MKD025B-144-KG0-UN provide?
A: The MKD025B-144-KG0-UN features a resolver feedback system with an integrated encoder, allowing for precise absolute position detection beyond 4,096 revolutions.
Q: Does the MKD025B-144-KG0-UN include a holding brake?
A: This model is manufactured without a holding brake, making it suitable for applications that do not require brake holding at standstill.
Q: What level of environmental protection does the MKD025B-144-KG0-UN offer?
A: The MKD025B-144-KG0-UN motor has a protection category of IP65, offering protection against dust and low-pressure water jets from any direction.
Q: How adjustable is the connection direction on the MKD025B-144-KG0-UN motor?
A: The MKD025B-144-KG0-UN supports connectors that can be turned within a 270° range for flexible cable routing.
Q: What insulation class and permissible ambient temperature does the MKD025B-144-KG0-UN support?
A: This motor is built with insulation class F, providing thermal stability for operation in ambient temperatures from 0 to 40°C.
