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R911261989 (MKD071B-061-KP1-KN)

MKD Synchronous Motors

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The R911261989 (MKD071B-061-KP1-KN) is a Bosch Rexroth servo motor engineered with a permanent-magnet rotor and electronic commutation, suitable for demanding automation applications requiring high acceleration and deceleration. Featuring a size 071 frame with a B motor length, the unit integrates a stator winding coded 061, four pole pairs, a 5 Nm holding brake, and a shaft with a keyway and sealing ring. The motor uses natural convection cooling and operates with a continuous standstill torque of 8 Nm at 11.2 A, achieving speeds up to 4500 min⁻¹. It provides absolute position feedback above 4096 revolutions, employs resolver feedback with an integrated encoder, and supports connection from side B. Mechanical specifications include a 95 mm centering diameter, 115 mm flange, 8.8 kg mass, and a housing finished in RAL 9005 black. The winding resistance is 1.45 Ω and the peak current capability is 50.4 A. Operational temperature range is -20 to +80°C.

Technical Specifications

Product Type
AC Motor

Applications
Machine tools, Printing and paper industries

Protection Category
IP 65

Design
Permanent-Magnet

Features
Low Inertia Masses

Motor Size
071

Motor Length
B

Winding Code
061

Cooling System
Natural Convection

Motor Encoder
Multiturn Absolute

Shaft
With Key and Sealing Ring

Holding Brake
5Nm

Housing Design
Standard

Motor Speed
4500min-1

Continuous Torque at Standstill
8Nm

Continuous Current at Standstill
11.2A

Peak Current
50.4A

Pole Pairs
4

Insulation Classification
Class F

Mass
8.8kg

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
We offer a repair service for the MKD071B-061-KP1-KN.
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