MKD090B-047-GG0-KN

MPN: R911263066

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The Indramat MKD090B-047-GG0-KN synchronous motor delivers precise torque control with a rated speed of 5000 RPM and 6.2 Nm torque at 60 K cooling. Its IP65 protection and resolver encoder ensure reliability.

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Product Description:

The Synchronous Motor MKD090B-047-GG0-KN from Bosch Rexroth is designed for high performance industrial applications. This motor offers excellent torque control and is ideal for demanding industrial automation tasks requiring precision and efficiency. It features an IP65 protection rating that ensures durability and protection against dust and water.

The motor is equipped with a plain shaft with a sealing ring on top. The ring provides a perfect seal and stop lubricants from infiltrating. The model has a resolver encoder for precise control. The MKD series synchronous motor provides a maximum speed of 5000 RPM, a rated torque of 6.2 Nm at 60 K cooling, and 9.9 Nm at 100 K cooling. It delivers a continuous current at a standstill of 13.3 A (60 K) and 14.4 A (100 K) with a peak current reaching 59.4 A. The rated voltage is 332 V and 351 V for 60 K and 100 K cooling respectively. It operates at a rated frequency of 233 Hz and includes a winding inductance of 10.1 mH. The motor also includes a rotor inertia of 43.0 x 10^-4 kgm^2 providing stability and control during operations. The motor offers a robust voltage constant of 91 V/1000 rpm and a torque constant of 1.05 Nm/A.

This MKD090B-047-GG0-KN synchronous motor weighs 14 kg and supports a maximum setup height of 1000 m above sea level. Its insulation class F ensures reliability in higher temperature environments. The motor is designed with standard electrical connections for easy integration including power and encoder connectors. Wake Industrial distributes this Indramat motor worldwide. The motor comes with a one year replacement warranty. The warranty is easily claimable in the event of a fault.

Characteristic Motor Speed
3200 rpm
Continous Current at Standstill (60K)
13.3 A
Continous Torque at Standstill (60K)
12 Nm
Maximum Speed
5000 rpm
Motor Mass
14 kg
Peak Current
59.4 A
Rotor Moment of Inertia
43 x 10-4 kgm2
Theoretical Maximum Torque
43.5 Nm
Voltage Constant
91 V/1000min-1
Winding Inductivity
10.1 mH
Winding Resistance
1.2 ohms
  • MKD090B047GG0KN
  • MKD090B 047 GG0 KN
  • mkd090b-047-gg0-kn
  • MKD90B-047-GG0-KN
Fault/Error Meaning Corrective Action
Motor fails to energize No power present or drive enable not asserted Verify mains supply, servo enable signal, and drive “Ready” status
Excessive vibration Mechanical misalignment or load imbalance Realign motor–load coupling and rebalance the attached machinery
Overtemperature warning Stator temperature above safe limit (≈120 °C) Clean cooling passages, lower ambient temperature, or reduce duty cycle
Encoder feedback loss Broken/loose feedback cable or shielding fault Inspect & reseat connectors; replace damaged encoder cable
Brake not releasing Insufficient brake-coil voltage or mechanical seizure Measure brake supply (24 V DC); free or replace the holding brake
Abnormal bearing noise Bearing wear from contamination or overload Schedule bearing replacement and verify sealing / lubrication
Position drift Parameter mismatch or encoder zero offset Re-run drive autotune and execute encoder reference mark
Overcurrent trip Rapid load spike or phase-to-phase short Check for mechanical binding and test motor windings for shorts
Torque ripple Poor commutation or incorrect motor data in drive Perform commutation offset adjustment and load correct motor file
Insulation resistance alarm Moisture ingress into stator windings Dry motor (bake at ≤90 °C), then megger test; improve environmental sealing
Part Number Continuous Torque (Nm) Max Speed (rpm) Shaft Type Feedback Holding Brake
MKD090B-047-GG0-KN 12 5000 Plain Resolver No
MKD090B-058-GP0-KN 12 4500 Keyed Resolver No
MKD090B-047-KP0-KN 12 3200 Keyed Absolute Resolver No
MKD090B-047-GP1-KN 15 4500 Keyed Resolver Yes
MKD090B-035-GG0-KN 12 3000 Plain Resolver No
Error Code Meaning
F2080 Motor overtemperature detected by KTY sensor
F2089 Motor temperature sensor open or shorted
F2092 Power stage overcurrent
F2130 Incremental encoder “A” signal error
F2131 Incremental encoder “B” signal error
F2132 Incremental encoder “Z” index error
F2190 Commutation angle / SIN-COS encoder fault
F2280 Brake release monitor fault
F2340 Motor overspeed beyond rated RPM
F2530 Resolver/encoder configuration mismatch

Frequently Asked Questions about MKD090B-047-GG0-KN:

Q: What connectivity options are available in the MKD090B-047-GG0-KN motor?

A: The MKD090B-047-GG0-KN offers standard electrical connections. It includes both power and encoder connectors for easy integration into industrial systems.

Q: What is the maximum speed and torque of the MKD090B-047-GG0-KN motor?

A: This motor provides a maximum speed of 5000 RPM. It delivers a rated torque of 6.2 Nm at 60 K cooling and 9.9 Nm at 100 K cooling.

Q: What protection rating does the MKD090B-047-GG0-KN motor have?

A: The motor has an IP65 protection rating. This ensures it is resistant to dust and water in industrial environments, enhancing its durability and performance.

Q: What is the environmental operating limit of the MKD090B-047-GG0-KN?

A: This motor can be installed at heights up to 1000 meters above sea level. It is rated with insulation class F, making it suitable for higher temperature environments.

Q: What is the resolver encoder in the MKD090B-047-GG0-KN used for?

A: The resolver encoder in the MKD090B-047-GG0-KN provides precise control. This ensures optimal performance and accuracy in demanding industrial automation applications.


Internal Product Review

  • ‘‘The MKD090B-047-GG0-KN synchronous motor excels in high-performance industrial automation. Its 43.0 x 10^-4 kgm^2 rotor inertia ensures excellent operational stability. The motor has a 5000 RPM speed, torque constants of 1.05 Nm/A, and robust IP65 protection. It's the best choice for demanding applications.’’

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