SIPLUS S7-300 PS 307 based on 6ES7307-1EA01-0AA0 with conformal coating, -25.+70°C, regulated power supply Input: AC 120/230V Output: DC 24V/5A Like the CPU, the power supply is also protected against extreme environmental conditions. Regardless of whether it is temperature expansion, protection against moisture and condensation or mechanically, biologically and chemically active substances. With SIPLUS extreme, the power supply is reliably guaranteed even in harsh environmental conditions.