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Product Description

MKD041B-144-KG0-KN is a Bosch Rexroth Indramat servo motor in the MKD Synchronous Motors series. The motor is size 041 with length B, and its 144 winding code identifies the winding configuration. It produces 2.7 Nm of continuous torque at standstill for maintaining load torque at zero speed. The 82 mm flange provides the mounting interface, while the 50 mm centering diameter supports alignment during installation.

The motor uses resolver feedback with an integrated encoder to supply motion-control feedback. Its absolute position detection covers more than 4,096 revolutions, allowing shaft position to be retained across multiple turns. System precision is ±8 angular minutes, indicating the accuracy of the position-feedback system. The connection box provides the electrical termination point and is oriented toward side B.

The plain shaft provides a direct mechanical coupling surface, and the shaft seal helps prevent contaminants from entering around the shaft. The motor does not include a holding brake, so it does not mechanically retain the shaft when power is removed. Its IP65 protection category provides dust-tight protection and resistance to water jets. Class F insulation supports the motor’s thermal insulation requirements, and the permissible ambient temperature range is 0–40ºC.

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Technical Specifications

Centering diameter
50 mm
Characteristic motor speed
6000 rpm
Connection Direction
Side B
Connection Type
Connection box
Continuous current at standstill
8.2 A
Continuous Torque at Standstill
2.7 Nm
Cooling Method
Natural Convection
Encoder Type
Resolver feedback w/ integrated encoder
Flange size
82 mm
Holding Brake
Without holding brake
Insulation class
F
Mass
4.4 kg
Moment Of Inertia
0.72 kgcm²
Motor Length
B
Motor Size
041
Nominal Current
6.1 A
Nominal Speed
3000 RPM
Nominal Torque
2.7 Nm
Number of pole pairs
3
Peak current
34 A
Repair Options Available
Worldwide Delivery
60-Day Warranty

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