MHD115B-024-NG1-BN Bosch Rexroth Indramat
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MPN: R911287334
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The Bosch Rexroth Indramat MHD115B-024-NG1-BN is a servo motor from the MHD Synchronous Motors series with a continuous torque at standstill of 50.0 Nm and a holding brake torque of 70.0 Nm. It features liquid cooling, a plain shaft with a shaft seal, and digital servo feedback for position detection. The motor has a flange size of 192 mm, a centering diameter of 180 mm, and its power connection is directed to side B using an output connector.
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Product Description:
The MHD115B-024-NG1-BN is a servo motor built by Bosch Rexroth Indramat within the MHD Synchronous Motors series. It provides precise axis positioning in industrial automation where rapid duty cycles and accurate velocity control are required. As a brushless AC actuator, it converts commanded current from a compatible drive into controlled mechanical rotation that can synchronize conveyors, tooling heads, or pick-and-place axes. The motor is suited for applications that require repeatable response during frequent starts, stops, and direction changes.
At standstill, the rotor can continuously produce 50.0 Nm of torque, allowing static load support without thermal overload. A built-in brake rated for 70.0 Nm locks the axis when power is removed so gravity or back-driving forces do not cause drift. Rotor position is captured through digital servo feedback (HSF), giving the drive high-speed resolution for tight velocity loops. Heat generated in the stator windings is extracted through liquid cooling, which keeps winding temperature low under sustained high current. Precise mechanical alignment with adjoining gearboxes or couplings is aided by a 180 mm centering diameter that fits matched pilot recesses accurately. The B-class winding code 024 indicates the electrical resistance and inductance profile used with matching drive ratings.
The mounting flange spans 192 mm, providing the bolt circle used for this frame size while keeping the housing at the B length. Power conductors terminate on an output connector oriented toward side B, enabling cable runs to follow common cabinet layouts. A plain shaft allows direct clamping hubs without keyways, and a shaft seal helps prevent coolant or dust ingress at the bearing interface. Relative position detection is used, so an external homing routine must reference the axis at startup. With motor size 115 geometry, the assembly fits mid-range gantries where its electrical profile matches common drive currents.
