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R911280135 (MHD093C-058-NG1-AN)

MHD Synchronous Motors

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Expedited Lead Times on Select Parts
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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The Bosch Rexroth MPN R911280135 (MHD093C-058-NG1-AN) is a synchronous servo motor featuring a brushless design and integrated thermal overload monitoring. It is engineered for flexible mounting orientations and supports both natural convection and surface cooling, which affects its performance characteristics. The motor operates at a nominal speed of 4000 RPM and a maximum speed of 6000 RPM, with a peak current of 127.4 A. It includes digital servo feedback (HSF), a plain shaft with a sealing ring, and a 22 Nm holding brake. The housing is black painted, IP65 rated, with class F insulation, and the power connection is situated on side A. The unit is suitable for environments with temperatures between 0 and 40°C.

Technical Specifications

Type
Synchronous Motor

Suitable For
Industrial Control Applications

Installation Position
Any Desired

Cooling Type
Natural Convection or Surface

Characteristic Speed
4000 RPM

Maximum Speed
6000 RPM

Peak Current
127.4 Amps

Maximum Theoretical Torque
88 Nm

Rotor Inertia
0.00030 kg m2

Length
396 millimeters

Centering Diameter
130 millimeters

Flange Size
140 millimeters

Shaft Diameter
32 millimeters

Shaft Length Exposed
58 millimeters

Weight
23.5 kilograms

Housing
Black, IP65 Protection

Insulation Class
F

Power Connector Location
Side A

Ambient Temperature Range
0 to 40 degrees Celsius.

Why is liquid cooling used in the MHD093C-058-NG1-AN servo motor?

The liquid cooling system efficiently transfers heat away from the stator and housing, maintaining stable temperatures during continuous high-load operation. This allows the motor to sustain peak performance without thermal derating or downtime.

How does the holding brake in the MHD093C-058-NG1-AN contribute to system safety?

The integrated holding brake automatically locks the motor shaft when power is cut or during emergencies. This prevents unintended motion, ensuring load stability and operator safety in vertical or load-sensitive applications.

Why is the side-A output connector placement advantageous in the MHD093C-058-NG1-AN?

Positioning the output connector on side A minimizes cable stress and simplifies routing in compact enclosures. It also reduces interference with adjacent components, improving serviceability and installation flexibility.

How does the digital servo feedback in the MHD093C-058-NG1-AN improve motion precision?

The digital servo feedback (HSF) encoder provides real-time position data to the controller, reducing latency and enhancing synchronization accuracy during high-speed operations. This ensures smooth motion and repeatable positioning across multiple motion cycles.

How does the relative position detection of the MHD093C-058-NG1-AN assist in precision control?

Relative position detection enables the motor to detect positional shifts from a reference point without needing absolute initialization. This feature enhances restart efficiency and ensures accurate resumption after power interruptions.

MHD093C058NG1AN

MHD093C 058 NG1 AN

mhd093c-058-ng1-an

MHD93C-058-NG1-AN

Internal Product Review

The MHD093C-058-NG1-AN servo motor from Bosch Rexroth Indramat features a digital HSF encoder, liquid-cooled housing, and a plain shaft with a shaft seal for reliable industrial use. It delivers 23.0 Nm continuous torque and 22.0 Nm holding brake torque, ensuring secure and precise motion control. Commonly used in CNC machines, robotics, and automated assembly lines.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MHD093C-058-NG1-AN.
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