Phoenix Contact MINI PS. The single phase, switch mode, Mini power supply units from Phoenix Contact have service friendly connection technology due to coded COMBICON plug connectors. Features and Benefits. Flexible due to the switching output voltage Easy maintenance connection technology Remote monitoring of output voltage IP20 protection Temperature range of -25°C to 70°C DIN Rail mounting Extra narrow width starting from 22.5mm. Typical Applications. Designed for use within MCR technology in measurement and control technology, urban infrastructure and building automation.