R911293796 (MHD112C-035-NG3-BN)
MHD Synchronous Motors
Technical Specifications
Motor Flange
192 millimeters with 4 holes
Diameter of Holes
14 millimeters
Centering Diameter
130 millimeters
Feedback Type
Integrated Digital Servo
Cooling Method
Natural Convection or Surface Cooling
Continuous Torque (Natural Convection - 60K)
38 Nm
Continuous Current (Natural Convection - 60K)
31 Amps
Continuous Torque (Natural Convection - 100K)
43.5 Nm
Continuous Current (Natural Convection - 100K)
38.1 Amps
Continuous Torque (Surface Cooling - 60/100K)
57 Nm
Continuous Current (Surface Cooling - 60/100K)
46.5 Amps
Peak Motor Current
139.5 Amps
Maximum Theoretical Motor Torque
148 Nm
Rated Speed
2500 RPM
Maximum Speed
4000 RPM
Shaft Type
Plain with sealing ring
Power Connector Position
Side B
Holding Brake Torque
70 Nm
Holding Brake Rated Voltage
24 Volts
Holding Brake Rated Current
1.29 Amps
Holding Brake Connection Time
53 milliseconds
Holding Brake Disconnection Time
97 milliseconds
Holding Brake Mass
3.8 kilograms
Frequently Asked Questions
Why is a 70.0 Nm holding brake valuable on MHD112C-035-NG3-BN vertical or safety-critical axes?
The brake resists back-driving and locks the load during power loss to enable safe stops and tool changes without creep. It reduces reliance on clamps in vertical Z-axes and gantry hoists.
What does liquid cooling change in the MHD112C-035-NG3-BN’s thermal behavior compared with convection-cooled variants?
The coolant removes stator heat efficiently for sustaining torque and reducing thermal derating during extended duty cycles. It enables denser machine layouts, shorter cycles and steadier servo bandwidth under aggressive acceleration profiles.
How does the HSF digital servo feedback in the MHD112C-035-NG3-BN improve position control during coordinated multi-axis moves?
The integrated HSF feedback delivers high-resolution, low-latency relative position data for allowing tighter gains and reduced following error. Its interpolation and electronic gearing improve across CNC, robotics and packaging axes.
What does 38.0 Nm continuous torque at standstill imply for servo sizing and tuning on MHD112C-035-NG3-BN axes?
It indicates the motor can supply substantial static torque without overheating for enabling tight holds and high preload forces. Its engineers can select higher gains while maintaining thermal headroom at low speed.
How does the side-B power connection orientation and output connector style affect cabinet layout and serviceability?
The side-B routing keeps motor leads clear of moving cable carriers in many mounting orientations for reducing flex stress. Its detachable output connectors allow rapid swap-outs and maintain consistent shielding practices during maintenance.
Common Misspellings
MHD112C035NG3BN
MHD112C 035 NG3 BN
mhd112c-035-ng3-bn
Internal Product Review
The MHD112C-035-NG3-BN servo motor from Indramat integrates HSF digital feedback encoder and a 70 Nm holding brake for precise holding and coordinated motion. It uses liquid cooling to sustain 38 Nm at standstill. The 192-mm flange and 130-mm pilot ease alignment that makes it ideal for installation in CNC machining, packaging, printing and robotic axes systems.
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