SITOP PSU3800 24V/30-40A Regulated power supply Input: 3 AC 400-500 V Output: DC 24 V/30-40 A Suitable for battery charging The 3-phase SITOP PSU300B power supply is ideal for battery charging thanks to its constant current characteristic. For other applications, the output characteristic can also be switched to latching shutdown. The three-phase wide-range input enables worldwide use. The slim design takes up little space on the DIN rail. Installation clearances are not required. No matter what industry, no matter what requirement - Siemens offers reliable and efficient power supplies for every system.