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R911289972 (MKD025B-144-KP1-UN)

MKD Synchronous Motors

Rated 4.1 stars (13 total reviews)
  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911289972 (MKD025B-144-KP1-UN) is a Rexroth MKD series AC servo motor configured for digital intelligent drive controllers. It utilizes a brushless, electronically commutated design and features a low-inertia rotor using specialized magnetic materials for dynamic response. Key specifications include a flange size of 54 mm, a shaft with keyway and shaft seal, and a centering diameter of 40 mm. The motor provides a holding brake with 1 Nm torque, resolver feedback for absolute position detection exceeding 4096 revolutions, continuous torque at standstill of 0.9 Nm, nominal torque of 3.5 Nm, maximum torque of 9.5 Nm, nominal speed of 4500 min⁻¹, maximum speed of 7200 min⁻¹, 300V nominal voltage, and a peak current of 23A. Suitable for operation in ambient temperatures from 0 to 40°C and installation up to 1000 meters above sea level.

Technical Specifications

Product Type
MKD AC motor

Operation
Maintenance-free

Cooling Mode
Natural Convection

Flange Size
54mm

Centering Diameter
40mm

Nominal Speed
9000min-1

Peak Current
23A

Continuous Torque at Standstill
0.9Nm

Continuous Current at Standstill
5.1A

Winding Inductance
3.7mH

Pole Pairs
Three

Rrated Speed
5000min-1

Maximum Installation Elevation
1000 meters

Storage and Transport Temperature
-20 to 80 degrees

Operating Temperature
0 to 40 degrees

Protection Category
IP 65

How are loads maintained during de-energized states in MKD025B-144-KP1-UN?

The integrated 1 Nm holding brake secures vertical or inclined axes when power is off, ensuring stability during pauses, e-stops or tool changes without external restraints.

What peak torque margin supports transient demands in MKD025B-144-KP1-UN?

The unit provides 9.5 Nm maximum torque, supplying reserve capacity for accelerations or brief disturbances while maintaining control accuracy and timing.

Which nominal speed defines steady operating conditions in MKD025B-144-KP1-UN?

The motor utilizes with a 4500 min⁻¹ base speed, the motor balances throughput with thermal reliability, forming the reference point for path planning in compact system designs.

What top speed enables short-burst agility in MKD025B-144-KP1-UN?

The motor utilizes a maximum speed of 7200 min⁻¹ permits rapid motion sequences without breaching thermal or mechanical safety limits, enhancing responsiveness for high-speed cycles.

Which interface dimension standardizes integration in MKD025B-144-KP1-UN?

Resolver feedback with relative detection reports position robustly. This scheme resists electrical noise in industrial environments.

MKD 025B-144-KP1-UN

MKD-025B-144-KP1-UN

MKD025B144KP1UN

MKDO25B-144-KP1-UN

MKD025B 144 KP1 UN

mkd025b-144-kp1-un

MKD25B-144-KP1-UN

Internal Product Review

This module MKD025B-144-KP1-UN is designed for compact automation cells that require quick restarts, reliable holding performance and uniform integration across machine lines. Its rotatable connection feature simplifies cable routing in restricted spaces, while absolute feedback minimizes downtime by retaining positional data through interruptions.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the MKD025B-144-KP1-UN.
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