The Siemens 6SL3120-2TE21-0AA4 is a high-performance double motor module designed for
demanding industrial drive and motion control applications. It delivers stable output, fast dynamic
response, and reliable continuous operation in multi-axis systems.
| Category | Parameter | Specification |
|---|---|---|
| Electrical Performance | Rated Current | 2 × 9 A |
| Base Load Current (Continuous) | 2 × 7.7 A | |
| Intermittent Current | 2 × 10 A | |
| Peak Current | 2 × 18 A | |
| Performance Note | Wide current range ensures stable operation under continuous and high-load conditions | |
| Voltage & Power | DC-Link Voltage Range | 510 – 720 V DC |
| Output Voltage | 0 to 0.717 × DC-link voltage | |
| Maximum DC-Link Current | 22 A | |
| Rated Output Power | 2 × 4.8 kW | |
| Power Design Note | Optimized for stable energy transmission and efficient power utilization | |
| Control & Dynamic Performance | Maximum Pulse Frequency | 4 kHz |
| Dynamic Response | Suitable for high-speed positioning and synchronized motion applications | |
| Auxiliary Power & Cooling | Electronics Supply Voltage | 24 V DC |
| Voltage Tolerance | 20.4 – 28.8 V DC | |
| Cooling Method | Integrated internal cooling fan | |
| Efficiency & Physical Data | Power Loss | 187.6 W |
| Weight | 5.5 kg | |
| Construction | Industrial-grade modular design for long-term reliability |
High-performance automation systems
CNC machines and robotics
Packaging and printing machinery
Multi-axis drive configurations
Industrial motion control
Efficient and Compact: Booksize format saves panel space
Precise Control: 21A output for high-speed motor performance
Internal Cooling: Simplifies thermal design
Flexible Use: Part of SINAMICS modular ecosystem
Trusted Siemens Quality: Built for demanding industrial environments
The Siemens 6SL3120-2TE21-0AA4 SINAMICS S120 motor module is available and ships worldwide.