Phoenix Contact QUINT4 DIN Rail Power Supply, 100 → 240 V, 110 → 250 V ac, dc Input, 24V dc Output, 40A. Safely distribute energy to your DIN-rail connected components with this power supply unit from Phoenix Contact. It works by converting input voltages ranging from 100 to 240V to the 24V output that linked devices can use. You can use this power supply to manage both AC and DC inputs as well as parallel and series connections, so it’s a versatile power solution.