Siemens 6ES7307-1EA00-0AA0 is the SIMATIC S7-300 Regulated Power Supply PS307, a dedicated module for the S7-300 PLC family that provides 24 V DC power to the controller and its I/O circuitry. It accepts 120/230 V AC input and delivers a regulated 24 V DC output at up to 5 A, supporting the PLC CPU and connected peripherals in typical automation panels. As part of the SIMATIC S7-300 power supply lineup, PS307 is designed for standard control cabinet installations where a fixed 24 V DC rail is required for Siemens PLC systems.
