R911314978 (MHD112A-024-PP2-BN)

MHD Synchronous Motors

Bosch Rexroth Indramat MHD112A-024-PP2-BN Main (Front Left) image

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The Bosch MPN R911314978 (MHD112A-024-PP2-BN) is a synchronous servo motor designed for closed-loop feedback operation, utilizing a digital multi-turn absolute encoder (>4096 revolutions) for precise position detection. The motor incorporates a keyed shaft with sealing ring and features an integrated holding brake rated at 32 Nm. It supports both natural convection and surface cooling, achieving a continuous standstill torque of 15 Nm (60K overheat) or 17 Nm (100K overheat) with convection, and 22.5 Nm (60/100K overheat) with surface cooling. The housing supports liquid cooling, and the motor has a centering diameter of 130 mm, flange size of 192 mm, and motor size of 112. Power is delivered via a lateral output connector (direction to side B), and a separate feedback cable is used for encoder integration.

Technical Specifications

Type
Synchronous Motor

Integrated MultiTurn Encoder
Yes

Power Cable Connection
Side B of Motor Housing

Cooling Methods
Natural Convection or Surface Cooling

Holding Brake Included
Yes

Holding Brake Torque
32 Nm

Shaft Include Keyway and Sealing Ring
Yes

Standstill Continuous Torque
15 Nm

Continuous Current
13.1 Amps

Rated Torque
10.1 Nm

Rated Current
6.2 Amps

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Internal Product Review

The MHD112A-024-PP2-BN motor is part of the MHD series of synchronous servo motors from Bosch Rexroth Indramat. It delivers 59 A peak current, 1.28 Nm/A torque constant at 2000 rpm speed. It is used in aircraft machinery, solar trackers and demanding industrial motion control tasks.