Title: SIEMENS SINAMICS S120 Active Line Module 50kW - 6SL3121-2TE15-0AA3

Product Overview:
The SIEMENS SINAMICS S120 Active Line Module 50kW, part number 6SL3121-2TE15-0AA3, is a high-performance component designed for advanced industrial drive applications. As a crucial part of the modular SINAMICS S120 drive system, this Active Line Module (ALM) excels in applications requiring precise control, high dynamic response, and exceptional energy efficiency. Unlike basic Line Modules, the Active Line Module not only rectifies AC power to DC but also actively feeds regenerated braking energy back into the mains supply, significantly reducing energy consumption and operating costs. It ensures a stable DC link voltage, independent of mains fluctuations, and contributes to improved power quality by drawing a sinusoidal current from the grid, minimizing harmonic distortion. This robust and reliable module is engineered for demanding environments, providing a foundation for highly efficient and dynamic motion control solutions across various industries.

Key Features & Benefits:

Active Energy Regeneration: Feeds excess braking energy back into the grid, leading to substantial energy savings and reduced operational costs.
Regulated DC Link Voltage: Maintains a constant DC link voltage, ensuring stable and reliable operation of the drive system regardless of mains voltage fluctuations.
High Power Rating: Delivers a robust 50 kW of power, suitable for medium to high-power industrial applications.
Enhanced Power Quality: Draws a near-sinusoidal current from the mains, minimizing harmonic distortion (THD) and improving overall grid compatibility.
Seamless Integration: Designed for perfect compatibility within the modular SIEMENS SINAMICS S120 drive system, simplifying setup and configuration.
High Efficiency: Optimized design and advanced control algorithms ensure maximum energy conversion efficiency.
Compact and Robust Design: Engineered for durability and space efficiency, allowing for flexible installation in industrial cabinets.
Dynamic Performance: Supports highly dynamic drive applications with rapid acceleration and deceleration cycles.
Comprehensive Protection Functions: Includes integrated protective features to ensure safe and reliable operation of the module and the entire drive system.

Applications:

The SIEMENS SINAMICS S120 Active Line Module 50kW is ideal for a wide range of demanding industrial applications where energy efficiency, precise control, and high dynamics are paramount.
Machine Tools: For precise axis control and energy recovery during braking.
Printing Machines: Ensuring high-speed and accurate paper handling with energy efficiency.
Packaging Machines: For rapid and repetitive motion sequences with optimized energy consumption.
Textile Machines: Providing stable and dynamic control for various processing steps.
Cranes and Hoists: Regenerating energy during lowering operations, reducing overall power consumption.
Test Stands: For highly dynamic load changes and energy feedback during testing cycles.
General Automation: Any application requiring high-performance motion control with a focus on energy savings and grid friendly operation.

Technical Specifications:

Part Number: 6SL3121-2TE15-0AA3 / 6SL31212TE150AA3
Module Type: Active Line Module (ALM)
Series: SINAMICS S120
Power Rating: 50 kW
Input Voltage: 3AC 380-480 V, 50/60 Hz
Output: Regulated DC Link Voltage (e.g., approx. 600 V DC)
Cooling Method: Internal Air Cooling (integrated fan)
Protection Class: IP20 (for cabinet installation)
Weight: 28 kg
Dimensions (H x W x D): Typically designed for standard cabinet mounting, specific dimensions vary slightly but are optimized for space.
Standards Compliance: CE, UL, cUL, RCM compliant
Operating Temperature: 0 to +50 °C (derating may apply at higher temperatures)