MKD025A-144-KP0-KN Bosch Rexroth Indramat
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MPN: R911281879
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The Bosch Rexroth Indramat MKD025A-144-KP0-KN is a servo motor from the MKD Synchronous Motors series with a 54 mm flange size and a centering diameter of 40 mm. It features a continuous torque at standstill of 0.4 Nm, resolver feedback with an integrated encoder for absolute position detection over more than 4096 revolutions, and a shaft with keyway and shaft seal. The motor uses a connection box on Side B and comes without a holding brake.
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Product Description:
The MKD025A-144-KP0-KN is a compact servo motor in the MKD Synchronous Motors series produced by Bosch Rexroth Indramat. It is intended for closed-loop axes that require precise position and velocity control, converting drive-side electrical power into regulated rotary motion for pick-and-place tools, labeling heads, and small robotic joints in automated production cells. Tight mechanical tolerances and low rotor inertia help the motor accelerate quickly, respond cleanly to changing command signals, and support short machine cycle times on light-duty motion axes. Its small format makes it suitable for compact assemblies where the motor must sit close to tooling without adding unnecessary moving mass or creating excess overhang on the axis.
Continuous torque at standstill is rated at 0.4 Nm, indicating the static load the energized rotor can support on a continuous basis. A centering diameter of 40 mm aligns the housing to the mounting face, and the square flange measures 54 mm, providing a compact bolt pattern for direct coupling to miniature gearboxes and small machine brackets. Electrical behavior follows winding code 144, which sets the coil resistance and inductance expected by the matching drive controller during current regulation. The motor is supplied without a holding brake, so any vertical or parked axis must be secured by external clamping or by controlled drive torque when power is removed.
Power and feedback conductors exit on Side B, and the built-in connection box provides screw-terminal access for orderly cable routing inside compact machine spaces. Resolver-based feedback supports multiturn operation, and position is captured as absolute (>4096 revs), allowing the axis to return to service after an emergency stop without a new homing sequence. The shaft uses a keyed profile for positive torque transmission, and a shaft seal helps keep coolant or cutting fluid away from the front bearing during normal operation. The terminal layout also helps keep motor power and feedback wiring organized inside the enclosure.
