R911283166 (MKD112D-027-KG3-AN)
MKD Synchronous Motors
Technical Specifications
Product Type
MKD AC Motor
Housing Coat
Black Prime
Resistant to
Weathering, Yellowing, Dyes, Diluted acids
Maximum speed
3000rpm
Weight
56.0kg
Theoretical Maximum Torque
187Nm
Thermal Time Constant
40min
Continuous Torque at Standstill
72.0Nm
Continuous Current at Standstill
47.4A
Peak Current
142.2A
Winding Inductance
5.65mH
Rated Speed
2000min-1
Rated Torque
59.2Nm
Rated Current
27.6A
Rated Power
15.2kW
Operating Temperature
0 to 40 degrees
Storage Temperature
-20 to 80 degrees
Installation Elevation
capped at 1000 meters above sea level
Protection Category
IP 65
Compatible Gearings
GTS or GTP planetary, Worm gears 058
Frequently Asked Questions
How does the resolver with integrated multiturn absolute encoder in MKD112D-027-KG3-AN reduce commissioning time and improve index recovery after power loss?
It preserves absolute shaft position across 4096 turns to enable immediate motion without homing and faster recovery after interruptions. Its resolver feedback also withstands electrical noise and thermal drift typical of industrial environments.
What does a 1.2 Nm/A torque constant imply for drive current sizing on MKD112D-027-KG3-AN?
The required motor current scales directly with demanded torque; e.g., 55 Nm peak needs ≈46 A (55 / 1.2) excluding dynamic effects. Select a controller with current headroom for acceleration, cogging compensation, and field-weakening margins.
Is the 70 Nm holding brake on MKD112D-027-KG3-AN sufficient for vertical (Z-axis) retention without drift?
It’s engineered for static holding, its adequacy depends on reflected load torque (mass×g×radius / gear ratio). Its safety factors and brake datasheet values are important to notice before relying on it for emergency stops.
What does IP65 with a shaft seal practically enable on MKD112D-027-KG3-AN, and what are limits in washdown lines?
The IP65 rating resists dust ingress and water jets, its shaft seal further curbs contamination at the journal. Its caustic washdowns or high-pressure spray add guarding.
What is its inertia value and its importance?
Its specified inertia value is 8.3 kgcm². It indicates controlled performance in rapid acceleration and deacceleration.
Common Misspellings
MKD 112D-027-KG3-AN
MKD-112D-027-KG3-AN
MKD112D-O27-KG3-AN
MKD112D027KG3AN
MKD112D 027 KG3 AN
mkd112d-027-kg3-an
Internal Product Review
The Bosch Rexroth’s motor MKD112D-027-KG3-AN from the MKD series comes with a plain-shaft, IP65 design and resolver feedback. It delivers 55 Nm peak, 48 Nm continuous torque and possess 1.2 Nm/A of specified torque constant at up to 5000 rpm speed. This motor has an integrated 70 Nm brake to suit vertical axes in machine-tool, printing, packaging and food-processing automation.
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