R911305026 (MHD112B-035-PP1-BN)

Name: R911305026 (MHD112B-035-PP1-BN)
Brand: Indramat Motors
SKU: MHD112B-035-PP1-BN
Price: 333.00 USD
Availability: InStock

MHD Synchronous Motors

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The Bosch Rexroth MPN R911305026 (MHD112B-035-PP1-BN) is a synchronous servo motor equipped with an integrated HSF absolute encoder, supporting digital servo feedback for position detection of more than 4096 revolutions. The unit has a motor size of 112, a flange size of 192 mm, a centering diameter of 130 mm, and motor length B. It features a keyed shaft with shaft seal, power connection on side B via output connector, and supports liquid cooling. Rated operating voltage is 280–307 V AC at 167 Hz, with a continuous torque at standstill of 28 Nm and a holding brake torque of 22 Nm. The clamping brake is electrically-released, and the maximum operating speed is 4000 rpm, with a rated power range of 4.2–10.1 kW. The motor adheres to insulation class F, has an IP65 protection rating, and operates in ambient temperatures from 0 to 40 °C, with transport and storage limits from -20 to 80 °C. The overall weight is 34 kg and the housing is coated in black.

Technical Specifications

Product Type
Synchronous Motor

Design
American Standards

Ambient Operating Temperature
0 to +40 degree Celsius

Storage/Transportation Temperature
-20 to +80 degree Celsius

Insulation Classification
Class-F

Protection Category
IP65

Operating AC Voltage
280 – 307 V

Rated Frequency
167 Hz

Color
Black

Weight
34 kg

Clamping Brake Torque
22 Nm

Cooling Mode
Natural/Surface

Rated Torque (Natural Cooling)
13.5 – 24.4 Nm

Rated Current (Natural Cooling)
8.9 – 16.6 A

Torque at Surface Cooling
33.1 Nm

Current at Surface Cooling
21.7 A

Maximum Operating Speed
4000 rpm

Rated Performance
4.2 – 10.1 kW

Shaft Type
With Feather Key

Encoder
HSF Absolute Encoder

Pole Pairs
4.

Frequently Asked Questions

How does this model handle thermal consistency during dynamic load fluctuations?

Its liquid-cooled housing maintains stable internal temperatures during rapid load transitions. This improves torque reliability in high-frequency motion profiles.

What safeguards are in place to preserve motor positioning under unexpected stops or idle cycles?

The 22.0 Nm holding brake secures load retention when drive power is off. It ensures system stability in vertical axes or safety-critical sequences.

Does the MHD112B-035-PP1-BN enable reliable feedback in closed-loop high-resolution positioning systems?

Its digital encoder offers absolute position detection over 4096+ revolutions. This supports precise interpolation and accurate axis referencing.

Will the mechanical interface hold alignment under shaft stress or particle intrusion?

The keyed shaft with shaft seal provides secure coupling and ingress resistance. It ensures consistent mechanical alignment in harsh-duty environments.

Can power cabling be managed efficiently in space-constrained electrical cabinets?

The side B power connector supports flexible cable routing along enclosure edges. It reduces internal clutter and simplifies integration in tight layouts.

Common Misspellings

MHD112B035PP1BN

MHD112B 035 PP1 BN

mhd112b-035-pp1-bn

Internal Product Review

The MHD112B-035-PP1-BN is a compact servo motor featuring a 112-size frame for tight industrial setups. This Bosch Rexroth model offers liquid cooling, a sealed keyed shaft, digital servo feedback with > 4096-rev resolution, and a side-B power connector. Its 22.0 Nm holding brake ensures dependable load retention during stops.