Power supply 640 mA with integrated choke for Gira One and KNX REG Power supplies for supplying KNX devices with bus voltage. Features: Output with integrated choke for supplying KNX bus lines. DC 30 V output for supplying additional devices. Nominal current can be divided between the outputs as required. Reset button. Short-circuit proof. Overvoltage proof. Idle-run proof. Suitable for use in systems with emergency power supply. Potential-free signal contact for operating and diagnostic messages. Two power supplies of the same type for KNX can be connected directly in parallel to increase performance. Notes: Installation on DIN rail. VDE approval in accordance with EN 60669-1, EN 60669-2-1.