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R911299893 (MKD025B-058-KG1-KN)

MKD Synchronous Motors

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The R911299893 (MKD025B-058-KG1-KN) is a Rexroth Indramat synchronous servo motor engineered for automated motion control applications. It utilizes a permanent magnet rotor with low inertia and operates with electronic commutation. The motor features a plain shaft with shaft seal, integrated holding brake rated at 1 Nm, and resolver-based absolute position feedback exceeding 4096 revolutions. It achieves a continuous standstill torque of 0.9 Nm, nominal torque of 3.6 Nm, and nominal speed of 3000 RPM at 400V. The design incorporates three pole pairs, 0.2 Nm/A torque constant at 20°C, peak current of 23.0 A, winding inductance of 3.7 mH, rotor inertia of 0.3 x 10⁻⁴ kg·m², with a characteristic speed of 9000 min⁻¹. The motor's ambient operating temperature range is 0°C to 40°C, with a storage range from -20°C to 80°C. Flange size is 54 mm with a centering diameter of 40 mm and connection from side B.

Technical Specifications

Product Type
Synchronous Motors

Motor Type
Permanent Magnet

Benefits
Low inertia mass

Characteristic Motor Speed
9000 min-1

Torque Constant at 20°C
0.2 Nm/A

Voltage Constant at 20°C
18.2 V/1000 min-1

Number of Pole Pairs
3

Peak Current
23.0 A

Winding Inductance
3.7 mH

Permissible Ambient Temperature
0°C to +40°C

Permissible Storage and Transportation Temperature
-20°C to +80°C

Theoretical Maximum Torque
4 Nm

Rotor Inertia
0.3 x 10-4 kgm²

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
We offer a repair service for the MKD025B-058-KG1-KN.
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