The Siemens 6ES7405-0KA00-0AA0 is a SIMATIC S7-400 PS 405 power supply, accepting a 24V DC input and delivering a 5V/10A DC output to the backplane.
This part carries a lifecycle stage of mature, meaning it is an established product that remains in the active portfolio but is not the newest generation. The documentation carries a date of 19.06.2015, indicating the version of the manual or change note preserved at that time.
Deployment context
The PS 405 mounts into a SIMATIC S7-400 rack, providing the 5V DC rail for the CPU, I/O modules, and interface modules in the chassis.