MKD025A-144-GG0-UN Bosch Rexroth Indramat
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MPN: R911294917
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The Bosch Rexroth Indramat MKD025A-144-GG0-UN is a servo motor from the MKD Synchronous Motors series with a continuous torque at standstill of 0.4 Nm and resolver feedback for position detection. It features a 54 mm flange size, a plain shaft with a shaft seal, and an IP65 protection category. This motor operates without a holding brake and supports power and encoder connectors that can rotate within a 270-degree range.
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Product Description:
The MKD025A-144-GG0-UN is a servo motor produced by Bosch Rexroth Indramat within the MKD Synchronous Motors series. With motor size 025 and the compact A length code, it fits densely packed multi-axis assemblies that require precise motion in automated equipment. Because it is supplied without a holding brake, the axis must be secured externally when power is removed. When paired with a digital drive controller, it delivers controlled torque for pick-and-place units, conveyors, and small handling stations. The low rotor inertia of the 025 frame supports quick acceleration during short indexing moves. Its slim housing also leaves room for adjacent pneumatic manifolds and vision sensors inside compact machines.
Its mechanical interface uses a centering diameter of 40 mm and a 54 mm square flange for alignment with miniature gearboxes and machine plates. The compact flange dimensions also help the motor fit into tight machine layouts without oversized mounting hardware. At standstill, the motor delivers 0.4 Nm of continuous torque for light precision axes. A protection rating of IP65 keeps out dust and low-pressure water jets, while the shaft seal helps prevent fluid from tracking along the shaft. Insulation class F and winding code 144 support continuous-duty thermal performance. Position accuracy is rated at ±8 angular minutes, which suits small indexing tables and other light positioning tasks.
The feedback system uses resolver feedback, which provides analog sine-cosine signals to the drive. Because the feedback is relative, the axis requires a homing routine at startup before absolute position is known. Power and encoder connectors share one housing that can rotate through 270°, which helps with cable routing in narrow cabinets and crowded machine spaces. This arrangement allows the connector outlet to be positioned away from nearby frames or cable carriers. The motor operates in ambient temperatures of 0–40 °C without output derating. Drive torque is transferred through a plain shaft, and threaded collars lock the swiveling plug after the cable angle is set.
Frequently Asked Questions about MKD025A-144-GG0-UN:
Q: Is the MKD025A-144-GG0-UN motor equipped with a holding brake?
A: This model does not include a holding brake.
Q: What type of shaft does the MKD025A-144-GG0-UN motor have?
A: The shaft design for this motor is a plain shaft with a shaft seal.
Q: What feedback type does the MKD025A-144-GG0-UN provide for position detection?
A: This motor uses resolver feedback (RSF) for position detection.
Q: What is the centering diameter of the MKD025A-144-GG0-UN motor?
A: The centering diameter of this motor is 40 mm.
Q: What protection category does the MKD025A-144-GG0-UN motor offer?
A: The MKD025A-144-GG0-UN motor has a protection rating of IP65.
