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R911319931 (MHD131D-024-NP2-BN)

MHD Synchronous Motors

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The R911319931 (MHD131D-024-NP2-BN) is a synchronous servo motor engineered by Bosch Rexroth Indramat, featuring a keyed shaft, shaft seal, and digital servo feedback (HSF) for relative position detection. This motor operates on a 3-phase AC supply with a nominal voltage range of 400V to 480V and provides a continuous standstill torque of 160 Nm. Its holding brake delivers 240 Nm torque. The unit is equipped with four pole pairs and a winding code of 024, with winding resistance at 0.08 Ω and inductance at 2.5 mH. The motor achieves a characteristic speed of 2000 rpm and weighs 113 kg. The housing has IP65 protection, suitable for environments from 0°C to +40°C, and includes liquid cooling. It incorporates a thermal time constant of 140 minutes for natural cooling and 60 minutes for surface cooling, and is classified with insulation class F according to DIN VDE 0530 Part 1.

Technical Specifications

Product Type
Synchronous Motor

Operating Conditions
As specified in MHD user manual

Shaft Type
Balanced with keyways

Holding Brake Torque
240 Nm

Electrical Connection
3-phase AC input, 400-480 V

Characteristic Speed
2000 rpm

Continuous Current Consumption (60K housing temperature)
88.4 A

Continuous Torque (60K Housing temperature)
160 Nm

Continuous Current Consumption (100K winding temperature)
132.6 A

Continuous Torque (100K Winding temperature)
240 Nm

Winding Resistance
0.08 W at 20 degree Celsius

Winding Inductivity
2.5 mH

Pole Pairs
4

Weight
113 kg

Thermal Time Constant (natural cooling)
140 min

Thermal Time Constant (surface cooling)
60 min

IP Protection Standard
IP65

Optimal Ambient Temperature
0 degrees celsius to +40 degrees celsius

Transportation Temperature
-20 degrees celsius to +80 degrees celsius

Insulation Class
F according to DIN VDE 0530 Part 1

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1620 Old Apex Road
Cary, NC 27513, USA

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Indramat USA 1 Year Warranty

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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.