The Siemens 6SL3211-1PB21-8AL0 is a high-performance power module that forms an integral component of the SINAMICS G120 drive system. This power module, known for its reliability and efficiency, is designed to meet the demands of a wide range of industrial automation applications. The PM240-2 model boasts a compact and narrow construction, which allows for versatile mounting options, including the ability to push the heat sink through the rear or side of the control enclosure for a more streamlined cabinet design.
With a robust set of features, the 6SL3211-1PB21-8AL0 power module provides a power factor of λ=0.85 and an efficiency rating of η=0.96, ensuring energy-efficient operation. It supports both vector and V/f control methods, with an output frequency range up to 550 Hz for V/f control, making it suitable for a variety of motor control tasks. The module is equipped to handle a rated power of 4 kW or 5 hp in low overload (LO) applications and 3 kW or 4 hp in high overload (HO) scenarios, catering to different performance requirements.
The unit is designed with an IP20 degree of protection and is capable of operating in environments with temperatures ranging from -5 to 40 °C for LO and up to 50 °C for HO conditions. It also features an integrated Class A filter and conforms to international standards, including CE, UL, cUL, and SEMI F47, ensuring compliance with global industrial regulations.
This power module is a testament to Siemens' commitment to quality and innovation, providing a reliable solution for optimising drive performance and enhancing the operational efficiency of industrial systems.