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R911307899 (MHD112D-027-PG0-LN)

MHD Synchronous Motors

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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The MHD112D synchronous servo motor, Bosch Rexroth MPN: R911307899 (MHD112D-027-PG0-LN), is designed for precision automation tasks. This unit weighs 56 kg and incorporates a plain shaft with a sealing ring for lubricant retention. It operates with a voltage constant of 154.5 V/1000min-1 and a torque constant of 1.7 Nm/A at 20°C. The motor achieves continuous torque output of 48 Nm (natural cooling, ΔT=60 K) and withstands continuous currents up to 31.6 A. Peak torque output is 187 Nm at up to 3000 RPM. The motor features left-side power connection via connector, encoder for absolute position detection (digital, multiturn, >4096 revolutions), center diameter 130 mm, flange size 192 mm, and insulation class F. Protection is rated IP68 and the housing, finished in a maximum 40 μm black paint, supports both natural and surface cooling. There is no holding brake and liquid cooling is implemented.

Technical Specifications

Voltage Constant
154.5 V/1000min-1

Torque Constant
1.7 Nm/A at 20°C

Power Connection
Left Side

Output Shaft
Plain with Sealing Ring

Continuous Torque (Natural Cooling)
48Nm at 60 K

Continuous Current
31.6 A at 60 K

Weight
56 kg

Winding Resistance
0.35 Ohms

Winding Inductivity
5.65 mH

Max Speed
3000 RPM

Max Torque
187 Nm

Protection Class
IP68

Insulation Class
F

Rated Current (Surface Cooling)
27.6 A

Rated Torque (Surface Cooling)
59.2 Nm

Thermal Time Constant
40 or 90 depending on Cooling Method.

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the MHD112D-027-PG0-LN.
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