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R911289798 (MHD115B-058-NP1-BA)

MHD Synchronous Motors

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The R911289798 (MHD115B-058-NP1-BA) is a Bosch Rexroth MHD115B synchronous servo motor engineered for industrial automation applications. This model features a keyed shaft with shaft seal, flange size of 192 mm, and a centering diameter of 180 mm. With natural convection cooling, it delivers a continuous torque of 50.0 Nm at standstill and a maximum torque of 160 Nm at up to 6000 RPM. The motor operates at a rated current of 30 A and voltage of 130 V (ΔT 100K), producing 6.6 kW of power. It includes a 3.8 kg holding brake rated at 70.0 Nm, offers digital servo feedback (relative position detection), and provides IP65 protection.

Technical Specifications

Producing Company
Bosch Rexroth

Product Type
Synchronous Motor

Cooling Method
Natural/Surface

Thermal Time Constant (Natural)
100 minutes

Thermal Time Constant (Surface)
45 minutes

Weight
40 kilos

Power Connector Location
Housing B Side

Holding Brake Weight
3.8 kilograms

Holding Brake Connection Time
53 milliseconds

Holding Brake Disconnection Time
97 milliseconds

Holding Brake Rated voltage
24 volts

Holding Brake Moment Of Inertia
30 × 10-4 kgm2

Holding Brake Torque
70 Nm

Protection Level
IP65

Housing Paint Color
Primary Black

Power Produced
6.6 kW

Torque
33.8 Nm

Rated Current
30 A

Rated Voltage
130 V

Maximum Torque
160 Nm

Maximum Current Consumption
280 A

Maximum Speed
6000 RPM

Surface Cooling Rated Speed
4000 RPM

Surface Cooling Rated Torque
18.1 Nm

Surface Cooling Rated Frequency
267 Hz.

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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.