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R911275384 (MKD090B-085-GG0-AN)

MKD Synchronous Motors

Rated 4.7 stars (12 total reviews)
  In-Stock, Ships 3-5 Days
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1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911275384 (MKD090B-085-GG0-AN) is a synchronous AC servo motor engineered by Rexroth Indramat, designed for industrial automation applications requiring surface cooling. It features plain shaft design with shaft seal, operates without a holding brake, and uses resolver feedback (RSF) for relative position detection. Key technical parameters include a rated speed of 4000 min⁻¹, continuous torque at standstill of 12.0 Nm, nominal torque of 3.8 Nm, theoretical maximum torque of 43.5 Nm, and peak torque of 85 Nm. The motor supports a stall current of 15.4 A, peak current of 79.0 A, winding inductance of 5.8 mH, and rotor inertia of 0.0043 kg·m². It has a thermal time constant of 30 minutes, insulation class F, IP65 ingress protection, is specified for operation between 0–40°C, and is suitable for installation at altitudes up to 1,000 m. The unit weighs 14 kg and features connection direction Side A with a motor size of 090 and length B.

Technical Specifications

Cooling
Surface-Cooled

Rated Speed
4000 min-1

Rotor Inertia
0.0043 kgm2

Theoretical Maximum Torque
43.5 Nm

Thermal Time Constant
30 minutes

Motor Weight
14 kg

Protection Class
IP 65

Housing Coating
Prime Black a/w RAL 9005

Perm. Ambient Temp.
0 – 40 degrees Celsius

Setup Altitude
1,000 m above NN

Insulation Class
F

Peak Current
79.0 Amperes

Winding Inductance
5.8 mH

Nominal Torque Rating
12 Nm

Rated Current
12.4 Amperes

Rated Power
6.2 W

Rated Voltage
313 Volts

Frequency Rating
0.267 kHz

Winding Code
085

Flange Size
140mm

Centring Diameter
110 mm

How does MKD090B-085-GG0-AN behave at rest?

At standstill it holds 12.0 Nm torque, keeping mechanical elements firmly in place during pauses so controllers can maintain alignment without additional clamps or locking mechanisms.

What current level drives MKD090B-085-GG0-AN?

A 15.4 amp stall current powers the motor at zero speed, providing enough electrical input to sustain torque and hold loads steady until motion resumes.

Which torque rating defines MKD090B-085-GG0-AN?

It develops a nominal 3.8 Nm torque for continuous operation, letting the drive support steady loads with minimal vibration and reliable performance during extended duty cycles.

What top torque limit defines MKD090B-085-GG0-AN?

A peak torque capability of 85 Nm delivers strong short bursts, enabling heavy acceleration or start-up forces while preserving control and preventing performance drop under demanding loads.

How much speed frames MKD090B-085-GG0-AN?

Its 3000 rpm rated speed defines a balanced operating window, supporting efficient mid-range cycles and smooth movement across repetitive processes without overspeeding or loss of precision.

MKD 090B-085-GG0-AN

MKD-090B-085-GG0-AN

MKD090B085GG0AN

MKDO9OB-O85-GGO-AN

MKD090B 085 GG0 AN

mkd090b-085-gg0-an

MKD90B-085-GG0-AN

Internal Product Review

MKD090B-085-GG0-AN sustains precise operation with reliable balance. Relative position detection supports repeatable control. Its compact proportions simplify system integration, making it practical for confined assemblies.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MKD090B-085-GG0-AN.
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