The KNX PS640+USB unites a power supply for the KNX system and a USB interface in one device. It delivers a 29 V KNX bus voltage for 640 mA and a 24 V DC supply voltage for 150 mA. The USB slot for easy bus access is integrated into the front of the din-rail mounted unit. A display and buttons allow for e. g. an area reset at the device. Special operating conditions (such as short circuit or overvoltage) and the present power discharge may be read off on the display.
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