R911288211 (MHD115C-058-NG0-AA)

Name: R911288211 (MHD115C-058-NG0-AA)
Brand: Indramat Motors
SKU: MHD115C-058-NG0-AA
Price: 601.00 USD
Availability: InStock

MHD Synchronous Motors

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The Bosch Rexroth MPN R911288211 (MHD115C-058-NG0-AA) is a synchronous servo motor featuring a strong torque-to-inertia mass ratio and efficient heat dissipation from the stator windings to the housing exterior. It provides digital servo feedback (HSF) with relative position detection and operates without a holding brake. The motor achieves a peak current of 371A and has a torque constant of 0.95Nm/A. Winding resistance is 0.06 Ohms, and the voltage constant is 86.4V/1000min-1 at 20°C. The rated frequency is 67Hz with natural convection cooling and 133Hz with surface cooling. It delivers a maximum theoretical torque of 231Nm, continuous standstill torque of 70Nm, and a power rating of 2.4kW at 60K. Dimensions include a 192mm flange size, 180mm centering diameter, plain shaft with shaft seal, and side A output power connection. Motor size is 115 and motor length is C. The unit weighs 55kg and is rated for a bearing service life of 30,000 operating hours according to ISO 281.

Technical Specifications

Torque to Inertia Mass Ratio
Favorable

Heat Dissipation
From stator windings to housing exterior

Winding Code
058

Servo Feedback
Digital

Installation
Any desired position

Peak Current Rating
371A

Rated Frequency (Natural Convection)
67Hz

Rated Frequency (Surface Cooling)
133Hz

Storage and Transport Temperature
-20°C to 80°C

Cabling
Easy mechanism

Startup Process
Simple and quick

Belt Pulleys and Pinions Mounting
Supported

Bearing Capability
High radial loads

Theoretical Maximum Torque
231Nm

Torque Constant
0.95Nm/A

Winding Resistance
0.06 Ohms

Voltage Constant at 20°C
86.4V/1000min-1

Flange Design
Compliant with DIN 42948

Operating Condition
Adverse environmental conditions

Usage Restriction
Not suited for operation if damaged or defective

Leakage Current (Drive Controller)
More than 3.5mA

Time Constant (Natural Convection Cooling)
100 minutes

Weight
55kg

Max Installation Height
1,000m above sea level

Power Rating at 60K
2.4kW

Bearing Service Life
30,000 operating hours (ISO 281)

Frequently Asked Questions

Is the shaft on the MHD115C-058-NG0-AA equipped with a keyway?

No, the shaft on the MHD115C-058-NG0-AA features a smooth interface that provides simplified coupling without requiring keys for balancing. This makes mechanical integration straightforward while maintaining connection stability.

What temperature range should the MHD115C-058-NG0-AA be operated at?

The MHD115C-058-NG0-AA should be operated at temperatures starting from 0°C to a high of +45°C. This flexible range supports use in both hot and cold settings.

What is the frame length for the MHD115C-058-NG0-AA?

The MHD115C-058-NG0-AA features a frame length of C, indicating an optimized frame size that ensures a minimized physical footprint for ease of installation while maintaining ample power density for demanding tasks.

What connection options does the MHD115C-058-NG0-AA offer?

The MHD115C-058-NG0-AA supports A-side power connection, enabling streamlined wiring when connecting the motor to the power supply.

What enclosure rating does the MHD115C-058-NG0-AA feature?

The MHD115C-058-NG0-AA fetaures an enclosure rating of IP65, enabling use even in environments where dust and water jets can pose a challenge.

Common Misspellings

MHD115C058NG0AA

MHD115C 058 NG0 AA

mhd115c-058-ng0-aa

Internal Product Review

The MHD115C-058-NG0-AA is a compact motor with impressive torque capabilities. It is efficient in precision tasks thanks to the built-in motor feedback. However, this unit only accommodates flange mounting, which can limit integration flexibility.