Overview
The Rexroth MKD041B-144-KP0-KN (R911262600) is a digital AC synchronous servo motor from the MKD series, engineered for precision motion control in industrial automation systems. The motor belongs to the MKD series and uses permanent-magnet electronic commutation with fully enclosed protection for robust performance in harsh conditions. This compact 041-size motor is ideal for applications requiring accurate torque, speed, and positioning with reliable feedback control.
Key Features
- Characteristic speed of 6000 RPM with standstill torque of 2.7 Nm at 60K and 2.9 Nm at 100K
- Resolver feedback with integrated absolute encoder (>4096 revolutions) for position detection
- Insulation class F and IP65 protection for reliability in harsh environments
- High-quality shaft sealing ring to withstand harsh operating conditions
- Plain shaft with DIN 6885 keyway, no holding brake or connection box included
- Compact design optimized for space-constrained applications
Technical Specifications
Electrical Performance (at 20°C):
- Torque constant: 0.4 Nm/A; Voltage constant: 36.3 V/1000 min⁻¹; Winding resistance: 1.8 Ohms
- Continuous standstill current: 7.5 A at 60K, 8.2 A at 100K
- Peak current: 34.0 A
- 3 pole pairs with winding inductance of 5 mH
Rated Performance:
- At Natural 60K: 3000 RPM, 1.4 Nm torque, 2.8 A, 0.53 kW, 115 V, 150 Hz
- At 100K Natural: 4500 RPM, 1.5 Nm torque, 3.0 A, 0.88 kW, 170 V, 225 Hz
- Peak speed up to 7500 RPM
Typical Applications
The MKD series is widely recognized for delivering high-performance motion control in manufacturing, robotics, CNC machinery, and other automated processes requiring consistent motor performance. The MKD041B-144-KP0-KN is well-suited for:
- Packaging and labeling equipment
- CNC machine tool spindle drives
- Robotic arm and automation positioning
- Conveyor system control
- Precision assembly and handling equipment
Compatibility & Replacements
Compatible With
- Bosch Rexroth Indramat drive controllers and amplifiers
- Systems requiring MKD series servo motors with resolver feedback
- Industrial automation platforms supporting AC synchronous servo architectures
- Machines designed for DIN 6885 shaft keyway motors
Replaces / Drop-In Replacement For
- Original Rexroth MKD041B-144-KP0-KN units in end-of-life service
- Equivalent MKD series motors with matching 041 size, B length, and 144 winding code
- Legacy Indramat synchronous servo motor applications
Works With
- Indramat motion control drives and power supplies
- Resolver feedback and integrated absolute encoder feedback systems
- AC synchronous servo motor control protocols
- Industrial automation PLC and motion controller interfaces
