Siemens sitop dc dc converter 6ep1621 2ba00 siemens 6ep1621 2ba00 p the siemens 6ep1621 2ba00 is a sitop din rail dc dc converter that delivers 12v 2 5a when connected to the 24v output of a sitop network device p p it is permissible to connect two devices of the same type in parallel to increase output power condition the difference between the output voltages should be lt 0 2 and the line impedance to the load should be identical p siemens 6ep1621 2ba00 sitop dc dc converter