R911283582 (MKD112C-058-KP3-BN)
MKD Synchronous Motors
Technical Specifications
Cooling Modes
Natural, Surface
Characteristic Motor Speed
4000 min-1
Maximum Current
239 Amps
Torque Constant at 200C
0.8Nm/A
Voltage Constant at 200C
72.7 V/1000min-1
Winding Resistance at 200C
0.12 Ohms
Pole Pairs
4
Winding Inductivity
1.5 Mh
60K Natural Cooling
Rated Speed: 2000min-1, Rated Torque: 15.3 Nm
100K Natural Cooling
Rated Speed: 3500 min-1, Rated Torque: 16.9 Nm
Surface Cooling Rated Performance
Rated Speed: 3500 min-1, Rated Torque: 43.5 Nm
Frequently Asked Questions
Why specify a 70 Nm electrically released holding brake on vertical or safety-critical axes for MKD112C-058-KP3-BN?
The spring-applied, electrically released brake clamps loads on power loss for improving static load-holding and controlled stops on Z-axes and gantries. It reduces risk during E-stop events and maintenance positioning on MKD112C-058-KP3-BN.
What is the impact of radial/standard (surface) cooling selection on torque density and permissible speed?
The surface/radial cooling improves heat rejection to allow higher continuous torque and characteristic speed before reaching thermal limits relative to purely natural cooling. Its parameter sets and permissible overtemperatures differ by cooling mode in the MKD112 class.
How do the keyed shaft and shaft seal influence torsional coupling and contamination control on MKD112C-058-KP3-BN?
The keyway provides positive torque transmission and repeatable phasing with backlash-free couplings, while the seal limits ingress from lubricants or particulates. It supports accurate servo loops in abrasive or washdown-adjacent machinery using MKD112C-058-KP3-BN.
What integration advantages arise from the 130 mm centering diameter and side-B connector orientation?
The centering pilot ensures coaxial alignment and stiffness at the mounting interface by reducing runout and vibration. Its side-B cabling simplifies routing in cabinet- and frame-mounted layouts to minimize cable bend radii and improves EMC practices on MKD112C-058-KP3-BN.
In what scenarios is 38.0 Nm continuous torque at standstill technically advantageous?
Its use is in applications like web-tension control, rotary knife phasing or index tables demand sustained holding and low-speed torque without thermal drift. It supplies steady electromagnetic torque for precise dwell-and-move cycles and creep positioning.
Common Misspellings
MKD 112C-058-KP3-BN
MKD-112C-058-KP3-BN
MKD112C-O58-KP3-BN
MKD112C058KP3BN
MKD112C 058 KP3 BN
mkd112c-058-kp3-bn
Internal Product Review
The Bosch Rexroth Indramat’s MKD112C-058-KP3-BN servo motor integrates resolver feedback with multi-turn absolute encoder for positional detection. It has a 70 Nm brake and it offers 38 Nm of standstill torque. This unit uses radial/standard cooling and posseses a sealed keyed shaft that suit robotics, packaging lines and machine tools. Its side-B connector and 130 mm centering simplify integration.
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