SIPLUS S7-400 PS 407 10 A based on 6ES7407-0KR02-0AA0 with conformal coating, -25…+70 °C, 10 A, wide range, 120/230 V UC; 5 V DC/10 A, for redundant use 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.