R911286826 (MHD112C-058-PP0-AN)
MHD Synchronous Motors
Technical Specifications
Design
Closed
Rating
IP65
Components
Stator, Rotor, Bearings, Encoder, Shaft
Holding Brake
No
Housing Cooling
Natural Convection/Surface Cooling
Ambient Temperature Range
0-40 degrees Celsius
Power Connector Location
Side A
Shaft Elements
Key and Sealing Ring
Encoder
Integrated Multiturn
Servo Feedback
Digital
Characteristic Speed
4000 RPM
Max Speed
4500 RPM
Rated Speed (60K overtemperature, natural convection)
2000 RPM
Rated Speed (100K overtemperature, natural convection or surface cooling)
3500 RPM
Continuous Stall Torque (60K overtemperature, natural convection)
38 Nm
Continuous Stall Torque (100K overtemperature, natural convection)
43.5 Nm
Continuous Stall Torque (Surface cooling)
57 Nm
Liquid Cooling
Not Available
Weight
45 kilograms
Max Setup Height
1000 meters above sea level
Insulation Class
F (DIN VDE 0530 Part 1)
Surface Finish
Prime Black Coat
Frequently Asked Questions
What advantages does the digital servo feedback with integrated multi-turn absolute encoder (>4096 revolutions) on the MHD112C-058-PP0-AN provide for homing and restart sequences?
The multi-turn absolute system retains position across power cycles for eliminating homing moves and fixtures after restarts. Its higher-resolution feedback improves loop gain, reduces following error and eases disturbance rejection in fast axes.
How do the 130 mm centering diameter and 192 mm flange interface affect mounting concentricity, stiffness, and coupling alignment in precision assemblies?
The standardized spigot and flange establish radial datum and bolt-pattern rigidity for reducing eccentricity and axial wobble at the motor–machine interface. Its better concentricity simplifies coupling alignment and maintains encoder-to-load correlation at high speeds.
Why is a keyed, sealed shaft specified on the MHD112C-058-PP0-AN, and which coupling styles best exploit that geometry?
The key transmits torque without relying solely on friction and the seal limits ingress of coolant and contaminants. Its zero-backlash clamp-hub or elastomer jaw couplings maintain alignment while damping torsional ripple.
How does the power connection orientation to side-A on the MHD112C-058-PP0-AN influence cable routing and electromagnetic compatibility inside compact gantry enclosures?
The side-A connectors shorten cable runs and allow separation from feedback harnessing for easing EMC management and bend-radius constraints. Its predictable exit direction simplifies strain relief, drag-chain layouts and maintenance access.
What maintenance and environmental points follow from the sealed construction and liquid-cooled housing common to the MHD series?
Its sealed bearings and housings minimizes lubrication tasks, while coolant quality and flow verification dominate preventive checks. Its proper filtration prevents fouling for ensuring thermal performance and encoder stability across multi-shift operation.
Common Misspellings
MHD112C058PP0AN
MHD112C 058 PP0 AN
mhd112c-058-pp0-an
Internal Product Review
Rexroth Indramat manufactures the servo motor MHD112C-058-PP0-AN in a 112 size 112 and length C mechanics. It uses liquid cooling and possesses an absolute multi-turn encoder for feedback. This unit is accompanied by a keyed, sealed shaft and side-A connector for simplifying integration. It is rated for 38 Nm torque at standstill that makes it fits into CNC axes, robotics and packaging lines.
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