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R911275985 (MKD071B-035-GP1-KN)

MKD Synchronous Motors

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The R911275985 (MKD071B-035-GP1-KN) is a synchronous digital AC servo motor from the Rexroth Bosch Indramat MKD series, designed for precise motion control applications. This model features a keyway-equipped shaft with sealing for enhanced protection against oils. The motor generates a continuous stall torque of 8.0 Nm and incorporates a holding brake with a torque of 5 Nm. Equipped with resolver feedback for relative position detection, the motor utilizes a winding code 035 and operates with a maximum current of 31.9 A. Electrical ratings include 333V, 349V, and 366V supply voltages, depending on cooling and temperature state (Natural 60K, Natural 100K, Surface 60K/100K), maintaining a constant frequency of 167 Hz. Physical specifications include a 115 mm flange, size 071, a B-length form factor, a connection box type connection, and a total weight of 15.4 kg. Rotor inertia measures 0.0018 kg·m², and the cooling method is natural convection.

Technical Specifications

Product Type
Digital AC Synchronous Motor

Shaft Type
Plain Shaft with Key

Shaft Material
Damage resistant materials

Break Mechanism
22 Nm holding break

Winding Code
035

Motor Frame Size
071

Motor Length
8.0 Nm

Feedback System
Resolver Feedback

Output Connection Box Direction
Side A or B

Special Designs
None

Operational States
Natural 60K, Natural 100K, Surface 60K/100K

Rated Speed
2500 RPM

Maximum Speed
4500 RPM

Frequency
167 Hz

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
We offer a repair service for the MKD071B-035-GP1-KN.
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