SIPLUS S7-300 PS 307 based on 6ES7307-1EA01-0AA0 with conformal coating, -25…+70 °C, stabilized power supply input: 120/230 V AC output: 24 V DC/5 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.