R911283012 (MKD112C-024-GP3-AN)

MKD Synchronous Motors

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The Indramat MPN R911283012 (MKD112C-024-GP3-AN) is a synchronous servo motor designed for precision industrial applications. It features a shaft with keyway and seal, built-in holding brake with 70 Nm braking torque, and resolver feedback (RSF) for relative position detection accurate to ±8 angular minutes. The motor delivers a continuous standstill torque of 38.0 Nm, rated torque of 22 Nm, and supports a maximum torque of 65 Nm and speed up to 4500 RPM. It operates between 372 and 404 V AC, and its enclosure is rated to IP65 for dust and water resistance. The centering diameter is 130 mm with a flange size of 192 mm. Operation is supported in ambient temperatures from 0 to +40 °C and altitudes up to 1000 meters, with storage permissible from -20 to +80 °C. Integrated overload protection is provided via a temperature sensor.

Technical Specifications

Standard Grease Lubricated Bearing
Yes

Maintenance Free Operation
Yes

Average Service Life Of Bearing
30,000 operating hours

Supply voltage
AC 372/404 V

Continuous Torque
16.6/44.1 Nm

Operating Speed
2500 rpm

Constant Voltage at 20 degree Celsius
145.5 V per 1000 rpm

Motor Winding
024 generates 0.44 Ohm of resistance

Feedback
Resolver

Precision
±8 angular minutes

Continuous Power
5.2 – 14.1 kW

Output Shaft
Balanced with a key as per DIN 6885-1

Overload Protection
Yes

Mounting Orientation
IM B5, IM V1, and IM V3

Protection Category
IP 65

Holding Brake
70 Nm

Operating Temperature
0 to +40 degree Celsius

Maximum Installation Altitude
1000 meters

Housing coating
Prime black paint.

Frequently Asked Questions

Why is the 70 Nm holding-brake capacity significant for vertical or overhauling axes on MKD112C-024-GP3-AN?

The integrated brake supplies static torque to resist gravity or back-driving during power-off or e-stop states. It reduces reliance on external holding devices to enable safe clamping while drives discharge and fieldbus controllers transition to safe states.

How does the 1.01 kg·m² rotor inertia of MKD112C-024-GP3-AN affect inertia matching and structural resonance?

The higher rotor inertia raises permissible load inertia ratios and can attenuate torsional oscillations in compliant drivetrains. It also increases acceleration current demand, so current limits and jerk profiles should be tuned to avoid exciting flexible modes.

How do 325 V rated voltage and 70 A peak influence drive selection and DC-link sizing for MKD112C-024-GP3-AN?

The matching controller must supply the specified peak phase current and operate within the motor’s voltage constant at target speeds. Its controllers are commonly paired in MKD applications to ensure compatible feedback handling and current dynamics.

In what way do 38 Nm continuous stall and 65 Nm max torque guide duty-cycle and thermal modeling for MKD112C-024-GP3-AN?

The continuous stall defines sustained torque at thermal equilibrium, while maximum torque supports short transients. Its motion profiles should follow RMS current limits; accelerate with peaks, then dwell below continuous to maintain winding and magnet temperatures.

How does flange 192 mm on the size-112 frame aid interchangeability across MKD112 variants and machine frames?

The standardized 192 mm square flange eases replacement within size-112 builds and across related winding/brake options. It simplifies mounting plate design and preserves center height when migrating between MKD112C-024-GP3-AN and sibling configurations.

Common Misspellings

Internal Product Review

Indramat manufactures the servo motor MKD112C-024-GP3-AN that uses RSF resolver relative feedback and a keyed, sealed shaft. It comes with IP65 sealing and offers a 70-Nm brake support for positioning. This unit is rated for 325 V with 70 A peak capacity and it delivers 38 Nm stall torque along with 65 Nm peak. It is utilized mainly in packaging and handling systems.

1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Indramat USA 1 Year Warranty

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.