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R911270997 (MKD090B-047-EP0-KN)

MKD Synchronous Motors

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The Bosch Rexroth MPN R911270997 (MKD090B-047-EP0-KN) is a brushless, permanent magnet AC synchronous servo motor with a B05 flange design. It features a shaft with keyway and shaft seal, resolver feedback, and a multi-turn absolute encoder. The unit operates at a rated voltage of 332/351 V, drawing 4.8/8.4 A and delivering a rated torque of 6.2/9.9 Nm. At standstill, continuous torque is 12.0 Nm with a maximum speed of 4500 rpm. The motor has IP65 protection, weighs approximately 21 kg, features natural convection cooling, a centering diameter of 110 mm, and a connection direction on side B, with an ambient temperature range of 0 to +40 °C.

Technical Specifications

Design
Brushless

Average Service Life
30,000 operating hours

Flange Design
B05

Cooling Method
Natural convection

Rated Voltage
332/351 V

Rated Current
4.8/8.4 A

Rated Torque
6.2/9.9 Nm

Continuous Torque at Standstill Position
12/13.5 Nm

Continuous Current at Standstill
13.3/14.4 A

Surface Cooling Rated Voltage
371 V

Surface Cooling Rated Current
11.2 A

Surface Cooling Rated Torque
14.4 Nm

Maximum Speed
5000 rpm

Weight
14 kg

Motor Type
Permanent magnet

Pole Pairs
4

Continuous Power
2.7 – 6.4 kW at 3500 rpm

Brake
No

Ambient Temperature Range
0 to +40 degree Celsius

Protection Category
IP 65.

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
We offer a repair service for the MKD090B-047-EP0-KN.
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