Siemens 6ES7305-1BA80-0AA0 is an outdoor, stabilized power supply module for the SIMATIC S7-300 family, providing a regulated 24 V DC output at up to 2 A from a wide input range of 24–110 V DC. This PS305 module powers the S7-300 controller and attached I/O in outdoor installations, maintaining a steady supply even in challenging environments. The order reference 6ES7305-1BA80-0AA0 (also listed as 6ES73051BA800AA0) identifies the outdoor PS305 power supply configuration used with S7-300 systems.
