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The Siemens 6SL3120‑1TE21‑8AA4 is an industrial‑grade SINAMICS S120 Single Motor Module engineered for robust and precise AC motor control in advanced automation systems.
This module is part of the SINAMICS S120 drive family, which is widely used in machine‑centric and process‑oriented environments that demand high performance, excellent dynamic response, and flexible integration.
Designed in a compact booksize form factor, the 6SL3120‑1TE21‑8AA4 enables space‑efficient installation within control cabinets while maintaining high functional capability. It operates from a 600 V DC link and delivers a three‑phase 400 V AC output with a rated current of 18 A, making it suitable for driving medium‑sized motors up to approximately 9.7 kW in typical industrial applications.
The module supports a maximum current of up to 54 A under dynamic load conditions, allowing reliable performance even during peak demand cycles.





