Overview
The Rexroth KSM02.1B-041C-42N-M3-HP0-ET-L3-D7-NN-FW is a synchronous servo motor with integrated inverters and control electronics from the Indradrive MI series. This motor-integrated servo drive eliminates the need for external control cabinets, making it ideal for compact and modular automation systems.
Key Features
- Motor-integrated servo drive design with combined motor and drive electronics in one compact housing
- Multi-Ethernet communication interface (2 x M12) for flexible networking in modern automation environments
- Capacitive encoder with Hiperface multi-turn absolute feedback (16 signal periods)
- Safe Torque Off (STO) safety feature for personnel protection during maintenance
- Hybrid electrical connector serving both power and communication functions
- IP 65 rated protection for indoor industrial use
- Natural convection cooling for passive thermal management
Technical Specifications
- Motor Size: 041 (frame size)
- Length Code: C
- Winding Code: 42
- Maximum Speed: 5500 RPM
- Continuous Torque (standstill): 2.2 Nm
- Maximum Torque: 9.4 Nm
- Rated Power Output: 470 W
- Maximum Current: 6.8 A
- Drive Supply Voltage: 750 V DC
- Control Input Voltage: 30–42 V DC
- Torque Constant (at 20°C): 1.6 Nm/A
- Cooling Method: Natural convection
- Operating Temperature: 0–40°C ambient
- Installation Altitude: 1000 m maximum
- Weight: 5.6 kg
- Dimensions: 252 mm length × 194 mm height
- Protection Rating: IP 65 (IEC 60529)
- Thermal Class: 155 (EN 60034-1)
- Mounting: Hybrid connector with keyway shaft and sealing ring
Typical Applications
The KSM02.1B-041C-42N-M3-HP0-ET-L3-D7-NN-FW is widely used in:
- Handling systems and conveyor systems
- Machine tools and precision positioning
- Packaging machinery
- Material handling automation
- Industrial robot joint drives
- Modular production systems where space is constrained
Compatibility & Replacements
Compatible With
- Bosch Rexroth Indradrive MI control systems
- Multi-Ethernet networks (PROFINET, EtherNet/IP via gateway)
- SERCOS 2 communication protocol
- Rexroth TIA Portal engineering software
- Systems requiring compact motor-drive integration without external cabinets
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Related KSM02.1B variants in size 041 may be compatible depending on control voltage and communication requirements. Common variant codes differ in holding brake options (M1, M3, S3) and communication interfaces (HG0, HP0, HP2).
Works With
- Rexroth engineering software platforms
- Multi-Ethernet communication protocols (2 × M12 connectors)
- SERCOS 2 master communication interface
- Safe Torque Off (STO) safety protocol implementations
- Firmware modules ordered separately as subpositions
