SIMATIC S7-300 Regulated power supply PS307 Input: AC 120/230 V Output: DC 24 V/5 A The single-phase load power supply SIMATIC PS307 (system and load power supplies) with automatic range switching of the input voltage is optimally adapted to the SIMATIC S7-300 controller in terms of design and functionality. The CPU is quickly supplied using the connecting comb, which is included in the scope of delivery of the system and load power supply. The 24 V supply of other S7-300 system components, input/output circuits of the I/O modules and, if necessary, the sensors and actuators is also possible. Comprehensive certifications such as UL, ATEX or GL enable universal use. No matter what industry, no matter what requirement - Siemens offers reliable and efficient power supplies for every system.