BFK80 PS110800 KNX power supply 80mA KNX power supply 80mA to provide supply to other KNX devices connected to KNX BUS. It includes a 29V DC auxiliary output. The device has short circuit and overvoltage protection. KNX choke included. Supply: 230V AC Current: KNX BUS + AUX < 80mA Output voltage: 29V DC DIN rail mounted (2 modules) documentation Datasheet software Example 1