MHD041A-144-PG0-UN Bosch Rexroth Indramat
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MPN: R911276749
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The Bosch Rexroth Indramat MHD041A-144-PG0-UN is a servo motor from the MHD Synchronous Motors series with a flange size of 82 mm and centering diameter of 50 mm. It features digital servo feedback with an integrated encoder and supports absolute position detection for over 4096 revolutions. The motor uses liquid cooling and comes without a holding brake.
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Product Description:
The MHD041A-144-PG0-UN is a servo motor produced by Bosch Rexroth Indramat within the MHD Synchronous Motors series. Intended for industrial automation, the unit supplies commanded torque and speed to linear actuators, rotary tables, and pick-and-place modules that require closed-loop motion control. Its narrow frame and A-length stator shorten installation depth, so it can fit into compact machine cells without exceeding space limits. The liquid-ready housing also supports continuous duty in thermally constrained enclosures common to high-throughput packaging or printing equipment.
Mechanical interfacing relies on a centering shoulder of 50 mm and a square mounting flange measuring 82 mm. At standstill, the motor can deliver 1.3 Nm of continuous torque, allowing stable holding or creep feeds without overheating. Heat produced in the windings is removed through liquid cooling, permitting higher load factors than air-cooled frames of similar size. The power connector can be rotated and locked and is turnable through a range of 270°, letting cables be oriented away from obstacles, while both power and feedback conductors terminate on combined connectors to reduce panel space. A shaft seal is present so lubricants or sprayed fluids cannot migrate into the stator cavity.
Position feedback comes from digital servo feedback integrated inside the motor, and the sensor provides absolute (>4096 revolutions) position data for multi-turn reference recovery after power loss. The rotor carries a plain shaft that mates directly with couplings or pulleys when no keyway is needed, and the absence of a holding brake suits axes that remain energized or are clamped externally during idle periods. The motor uses winding code 144, while the frame size 041 and the A length indicate the stack height and copper volume chosen for this torque class. These parameters help match the motor to Indramat drive controllers for appropriate current limits and commutation profiles.
