Sitop PSU100S 20 A regulated power supply. Input: AC 120/230 V, Output: DC 24 V/20 A. The single-phase Sitop smart power supplies are universal and powerful standard power supplies for machine and plant engineering. Despite their compact design, they offer excellent overload behavior: thanks to Extra-Power of 150%, high-consumption devices can be easily switched on, and the continuous overload capability of 120% provides performance reserves for expansions. The high efficiency ensures low energy consumption and minimal heat generation in the control cabinet. To further increase the availability of 24 V, the Sitop smart power supplies can be combined with buffer, DC UPS, redundancy, and selectivity modules. No matter the industry, no matter the requirement - Siemens offers reliable and efficient power supplies for every system.