Power supply PS 791-2DC, DC/DC power supply, 10 W, IP65 (-40...+70° C), input: DC 12... 24 V, output: DC 18 V, can only be used in conjunction with SCALANCE W786, scope of delivery: operating instructions, German/English. SCALANCE power supply PS791-2DCSpecially for use in wireless access points. Suitable for worldwide use due to the wide mains input voltage range.Direct integration in the access point. High operational reliability as it is short-circuit proof and safe against idle operation. When using the power supply adapter and Power over Ethernet (PoE), a redundant power supply for the access points can be achieved.