R911281876 (MKD025A-144-GG0-KN)

MKD Synchronous Motors

Rated 4.8 stars (8 total reviews)

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The R911281876 (MKD025A-144-GG0-KN) is a Bosch Rexroth MKD025A-series brushless AC servo motor designed for precision automation tasks. It features a 54 mm flange, 40 mm centering diameter, and a plain shaft with shaft seal, operating without a holding brake. The motor provides 0.4 Nm continuous torque at standstill and weights 2.2 kg. It uses a resolver feedback system for relative position detection and supports integration into closed-loop drive systems. With a nominal voltage of 144 V, maximum speed of 6000 RPM, and a 3 pole pair configuration, it achieves smooth rotation. Cooling is accomplished via natural convection. Connection is provided through an axial connection box.

Technical Specifications

Motor Size
025

Flange Size
54mm

Overtemperature Options
60K and 100K

Rated Torque (60K)
0.18 Nm

Rated Power (60K)
0.12kW

Rated Torque (100K)
0.39 Nm

Rated Power (100K)
0.27kW

Rated Speed
5000 RPM

Rated Frequency
250 Hz

Pole Pair Design
3 pole pair

Cooling Method
Natural Convection

Maintenance Requirement
No maintenance required

Position Detection Device
Resolver Feedback

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Internal Product Review

The MKD025A-144-GG0-KN is a Bosch Rexroth Indramat synchronous servo motor featuring a 54 mm flange size and 40 mm centering diameter for reliable mounting. Equipped with resolver feedback (RSF) and a plain shaft design with shaft seal, this model ensures precise relative position detection. Its build makes it an excellent choice for demanding automation systems requiring accuracy and durability.