R911290112 (MHD115B-058-PG1-LA)

MHD Synchronous Motors

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The MPN R911290112 (MHD115B-058-PG1-LA) is a Bosch Rexroth MHD series synchronous servo motor with a plain shaft and integrated shaft seal. It features digital servo feedback with an integrated encoder capable of absolute position detection over more than 4,096 revolutions. The motor includes a 70.0 Nm holding brake for stationary axle holding when de-energized. Designed for use at a maximum ambient temperature of 40°C and 95% relative humidity, it should not be installed above 1,000 meters altitude. The housing is cooled by natural convection and is protected to IP65 standard. Dimensions include a centering diameter of 180 mm, flange size of 192 mm, motor size 115, and length B. Electrical connections for power and encoder are standardized and the power connector is oriented to the left. A prime black coat varnish provides resistance to weather, diluted acids, and lyes.

Technical Specifications

Product
Bosch Rexroth MHD Synchronous Motor

Additional Equipment
Plain shaft, 70Nm holding brake

Protection Rating
IP 65

Shock Protection
Complete

Recommended Ambient Temperature
40°C

Recommended Relative Humidity
95%

Installation Recommendation
1000m above the mean sea level

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Internal Product Review

The MHD115B-058-PG1-LA offers superior reliability with exceptional dust resistance. Its handling brake offers substantial holding power, enhancing operational safety. However, the output capacity may not be ideal for very high load applications.