SIPLUS S7-300 PS 305 -25...+70 °C with conformal coating according to EN 50155 T1 Cat 1 Cl A/B based on 6ES7305-1BA80-0AA0 . Stabilized power supplies Input: 24-110 V DC Output: 24 V DC/2 A Just like the CPU, the power supply is also protected against extreme ambient conditions. Regardless of whether you need an expanded temperature range, protection against humidity and condensation or physically, biologically and chemically active substances. With SIPLUS extreme, the supply of power is also reliably guaranteed even in harsh ambient conditions