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R911274331 (MKD112B-058-GG0-AN)

MKD Synchronous Motors

Rated 4.4 stars (4 total reviews)
  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911274331 (MKD112B-058-GG0-AN) is a Rexroth AC synchronous servo motor with a 112 motor frame size and a B-length (192 mm flange, 130 mm centering diameter). It provides 28 Nm continuous torque at standstill and operates up to 4000 rpm. The motor is equipped with 058 winding, features a plain shaft design with shaft seal, and does not include a holding brake. Position and speed are monitored via resolver feedback (relative position detection). The motor delivers a rated power of 6.3 kW, rated voltage of 326 V, and uses radial cooling. It has a torque constant of 0.77 Nm/A (at 20°C), peak current rating of 183 A, and moment of inertia of 0.0192 kgm². Insulation class F and operation within an ambient temperature range of 0 to 40°C are specified. Power connection is located on side A.

Technical Specifications

Motor Type
AC Synchronous

Flange Size
192mm

Continuous Torque
28Nm

Windings Code
058

Brake
No

Feedback System
Resolver Motor

Output Shaft
Plain

Power Connector Location
Side A

Nominal Speed
4000 revolutions per minute

Peak Current
183 Amperes

Maximum Torque
102Nm

Rotors Inertia
0.0192 kgm2

Torque Constant At 20 degrees Celsius
0.77 Nm/A

Storage Temperature Range
-20 to 80 degrees Celsius

Protection Feature
Jet water and dust resistant

Insulation Category
F

Electrical Connections
Plug-in connectors

Thermal Time Constant
90 minutes

Winding Resistance at 20 degrees Celsius
0.17 Ohm

Voltage constant (KEeff)
700 volts per 1000 revolutions per minute

Operational Temperature Range
0 degrees Celsius to 45 degrees Celsius.

What continuous power level frames machine sizing for MKD112B-058-GG0-AN?

It delivers 6.3 kW rated power. That output supports sustained production loads while maintaining efficiency, guiding drive, cabling, and thermal planning for long windows of uninterrupted operation.

Which supply level should the inverter pair to for MKD112B-058-GG0-AN?

It operates at 326 V rated voltage. Aligning the DC link and inverter ensures modulation headroom, keeps switching losses in check, and preserves current margin for transient demands in dynamic cycles.

How is thermal resilience characterized in MKD112B-058-GG0-AN windings?

It uses Class F insulation. The higher allowable temperature supports longevity when loads increase, preserving dielectric strength and reducing the risk of insulation fatigue over prolonged operation.

What datum preserves coaxial alignment during assembly on MKD112B-058-GG0-AN?

It includes a 130 mm centering diameter. The pilot ensures concentric coupling to gearboxes or pulleys, minimizing vibration and extending the life of bearings and flexible elements during high-cycle tasks.

Which feedback approach stabilizes control loops in noisy plants for MKD112B-058-GG0-AN?

It employs resolver feedback (RSF) with relative detection. The analog, noise-robust signal supports accurate commutation and speed control over long cables, with homing establishing coordinates before precise motion sequences begin.

MKD 112B-058-GG0-AN

MKD-112B-058-GG0-AN

MKD112B-O58-GGO-AN

MKD112B058GG0AN

MKD112B 058 GG0 AN

mkd112b-058-gg0-an

Internal Product Review

This top performance module MKD112B-058-GG0-AN leans on insulation Class F to withstand elevated thermal loads without drift. The margin protects windings when duty intensifies. It translates commands predictably and holds alignment through reversals.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MKD112B-058-GG0-AN.
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