Stabilized power supply SITOP PSU4200 1AC 24 V/20 A. PSU4200 input: 120/240 V AC output: 24 V DC / 20 A. The SITOP PSU4200 1-phase power supplies are designed to meet the basic requirements in an industrial environment and offer all the important functions at a low price. The input with automatic voltage range switching allows connection to a variety of 1-phase power supplies. Thanks to their narrow width, the power supplies take up little space on the DIN rail, and the high efficiency means that little heat is lost in the control cabinet. To further increase the availability of the 24 V power supply, the SITOP PSU4200 can be combined with buffer modules, redundancy modules and selectivity modules. Regardless of the industry, regardless of the requirements - Siemens offers reliable and efficient power supplies for every system.