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R911286089 (MHD112D-027-PG3-AN)

MHD Synchronous Motors

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1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

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3 Minutes 36 Seconds

The R911286089 (MHD112D-027-PG3-AN) is a Bosch Rexroth MHD112D synchronous servo motor featuring digital absolute multiturn encoder feedback (>4096 revolutions) and a sealed plain shaft with shaft seal to prevent lubricant ingress. This brushless, IP68-rated motor is liquid-cooled and has a robust construction with additional protective coating. It delivers 48 Nm continuous torque at standstill (100K cooling, 31.6 A), and peak torque up to 187 Nm at 142.2 A. The motor operates at up to 3000 rpm, with a winding voltage of 600 V, winding resistance of 1.45 Ω at 20°C, and 4 pole pairs. With a centering diameter of 130 mm and size 112D, its weight is 69.8 kg. A 24 V, 3.8 kg holding brake provides 70 Nm holding torque, with 97 ms disconnection and 53 ms connection times.

Technical Specifications

Encoder Type
Absolute Multiturn

Shaft Structure
Plain with Sealing Ring

Continuous Torque (100 K)
48 Nm

Continuous Current Consumption (Standstill, Natural Cooling)
31.6 A

Protection
IP68

Weight
56 kg

Operating Temp Max
40 degrees Centigrade

Max Theoretical Torque
187 Nm

Peak Current
142.2 A

Max Speed
3000 RPM

Holding Brake Weight
3.8 kg

Holding Brake Connect/Disconnect Time
53/97 milliseconds

Holding Brake Rated Voltage
24 volts

Holding Torque
70 Nm

Thermal Time Constant
40 minutes

Power Output (Surface Cooling)
15.2 kW

Rated Current (Surface Cooling)
27.6 A

Rated Frequency (Surface Cooling)
133 Hz

How does the MHD112D-027-PG3-AN support automation systems?

The motor integrates seamlessly with industrial motion controllers through standardized interfaces and encoder options. The compatibility enables synchronized operation in robotic handling and assembly lines.

What makes this model adaptable across manufacturing sectors?

The motor’s consistent torque curve and mounting design support diverse applications from packaging to metal forming. The uniform dimensions simplify system upgrades across machine families.

How does it interface with modern servo drives?

The feedback encoder and rated voltage match contemporary Bosch Rexroth drives. The compatibility ensures accurate closed-loop control and smooth torque delivery in multi-axis configurations.

What benefits arise from its modular motor design?

The modular design allows interchangeable connectors, feedback systems, and cooling options. The configurability simplifies integration into existing production lines with varied mechanical constraints.

How is electrical compatibility maintained with auxiliary devices?

The standardized electrical interface aligns with PLCs, drive amplifiers, and safety relays. The predictable signal characteristics ensure reliable communication within automated control networks.

MHD112D027PG3AN

MHD112D 027 PG3 AN

mhd112d-027-pg3-an

Internal Product Review

The Bosch Rexroth Indramat MHD112D-027-PG3-AN servo motor is designed with liquid cooling and digital servo feedback for precise position detection. It offers 48 Nm continuous torque and includes a sealed plain shaft for reliable performance. This motor is ideal for use in robotics, conveyor automation, and high-precision CNC equipment.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD112D-027-PG3-AN.
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