MKD071B-061-PG0-UN

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The MKD071B-061-PG0-UN synchronous motor features a rated speed of 4000 min-1 and a torque constant at 20°C of 0.77 Nm/A. Built by Bosch Rexroth Indramat as part of the MKD Synchronous Motors series, it delivers a rated power of 4.8 kW and operates within a permissible ambient temperature of 0 to 40°C. It boasts IP65 protection.

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Product Description:

The MKD071B-061-KP1-KN servomotor from Rexroth Indramat functions as a high-performance permanent magnet synchronous motor. The servomotor finds applications in different automation and motion control systems. Bosch Rexroth positions its MKD series among responsive and precise motors which includes this MKD071B-061-KP1-KN model.

The 9.8 kg weight of the MKD071B-061-KP1-KN servomotor carries a compact rugged design which makes it suitable for demanding industrial settings. Under natural convection, it delivers a continuous output of 8.0 Nm torque coupled with 11.2 A current. The surface-cooled motor produces 12.0 Nm torque and consumes 16.8 A while operating. A dynamic motion performance of 70.0 V/1000 min⁻¹ appears in its effective back EMF constant. With a holding brake integrated into the system, the device applies 5.0 Nm torque when it runs off a 24 V DC supply within a range of ±10% while consuming 0.56 A. This servomotor features a digital feedback encoder which contains an absolute multi-turn integrated system. An encoder provides precise high-definition position measurements to support reliable operation together with zero requirements for battery backup systems. The MKD071B-061-KP1-KN servomotor has a speed limit of 6000 RPM while using its high overload capacity in combination with an IP65-rated housing. The servomotor carries classification F for thermal operation which enables it to run continuously under challenging environmental conditions. The servomotor under ECSM1 system designation works seamlessly with all digital drive controllers produced by Rexroth.

Operation within the MKD071B-061-KP1-KN servomotor range is possible under ambient conditions from 0°C through +40°C. The allowable range of relative humidity for the motor exists between 5% and 95% and should not lead to condensation formation. The servomotor works reliably under operational conditions including vibration exposure to 2.5 m/s² and a maximum height capacity of 1000 meters. Safety assurance together with international compatibility standards originates from CE and UR certifications.

Continuous Torque At Standstill
12.0 Nm
Max Speed
6000 min-1
Perm. Storage And Transport Temp.
-20 to +80°C
Permissible Ambient Temperature
0 to 40°C
Protection Category
IP65
Rated Current
7.7 A
Rated Frequency
333 Hz
Rated Power
4.8 kW
Rated Speed
4000 min-1
Rated Torque
7.8 Nm
Rated Voltage
380 V
Rotor Inertia
8.7 x 10^-4 kg·m²
Torque Constant At 20°c
0.77 Nm/A
Voltage Constant At 20°c
70 V/1000min-1

Frequently Asked Questions about MKD071B-061-PG0-UN:

Q: Why is the MKD071B-061-KP1-KN servomotor equipped with a holding brake?

A: The holding brake secures the motor's shaft when powered off, ensuring safety in vertical or load-bearing applications by providing 5.0 Nm of static holding torque.

Q: How does the digital feedback encoder in MKD071B-061-KP1-KN enhance motor precision?

A: The digital feedback encoder enables precise multi-turn absolute positioning without battery backup, ensuring accurate real-time motion tracking and consistent repeatability in dynamic operations.

Q: How does thermal class F benefit the MKD071B-061-KP1-KN servomotor?

A: Thermal class F allows the motor to handle higher internal temperatures, increasing operational longevity and reliability under continuous or demanding duty cycles.

Q: What role does the IP65 protection play in MKD071B-061-KP1-KN's durability?

A: IP65 protection ensures resistance against dust ingress and low-pressure water jets, allowing MKD071B-061-KP1-KN to perform reliably in harsh industrial environments.

Q: What makes MKD071B-061-KP1-KN ideal for compact industrial systems?

A: Its 9.8 kg rugged housing combines high power density with compactness, making it suitable for space-constrained automation setups without sacrificing performance.


Internal Product Review

  • ‘‘The MKD071B-061-KP1-KN servomotor delivers precision and resilience. It has a digital encoder, 5.0 Nm holding brake, and high overload capacity. Its IP65 housing, 6000 RPM speed ceiling, and robust ECSM1 compatibility ensure efficiency in automation. This Rexroth motor is engineered for high-performance environments.’’

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