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R911261578 (MKD041B-144-GG1-KN)

MKD Synchronous Motors

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The Bosch Rexroth R911261578 (MKD041B-144-GG1-KN) is a servo motor designed for industrial automation, featuring natural cooling and a plain shaft with seal. It delivers continuous torque at standstill of 2.7 Nm and a theoretical maximum torque of 11.3 Nm. The unit is equipped with a 2.2 Nm holding brake and resolver feedback for relative position detection. Electrical parameters include a rated voltage of 115–170 V, frequency of 150–225 Hz, rated speed range of 3000–4500 min⁻¹, rated current of 2.8–3.0 A, and winding inductivity of 5 mH. The motor has an IP65 protection rating, insulation class F per DIN VDE 0530 Part 1, a rotor inertia of 1.7 × 10⁻⁴ kg·m², and a thermal time constant of 30 minutes. It uses mounting flanges of 82 mm with a centering diameter of 50 mm, weighs 4.4 kg, and supports operation from 0°C to 40°C and storage from –20°C to +80°C.

Technical Specifications

Rated Voltage
115V-170V

Frequency
150Hz-225Hz

Rated Torque
1.4Nm-1.5Nm

Rated Speed
3000Nm-4500Nm

Rated Power
0.52KW-0.88KW

Rated Current
2.8A-3.0A

Theoretical Max Torque
11.3Nm

Rotor Inertia
1.7 x 10-4 kgm²

Thermal Time Constant
30 minutes

High Speed
7500 min-1

Strand Value
1mm2

Weight
4.4kg

Storage & Transport Temperature
-20°C to +80°C

Max Setup Height
1000 meters above NN

Ambient Temperature
0°C to 40°C

Insulation Class
F

Protection Category
IP65

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.