Phoenix Contact QUINT-PS/1AC/48DC/5 Switch Mode DIN Rail Power Supply, 85 → 264V ac ac Input, 48V dc dc Output. The range of QUINT POWER from Phoenix contact are superior power supplies that provide a seamless experience as they’re feature-packed with all necessary requirements and more. These power supplies maximise the availability of your plant by utilizing technologies such as NFC (Near field communication) so you can quickly configure these supplies from a smartphone, SFB (Selective Fusebreaking), 6-times nominal current for 12ms, extended life range of over 500,000 hours and super-reliable start in difficult loads with a static power reserve (POWERBOOST).