DettagliBus Power Supply with diagnostic function, 4SU MDRC, 640mA. Nominal current 640mA, continuous current 960mA, peak 1200mA. KNX power supply with integrated choke. Mains voltage 230VAC. Short-circuit-proof. Overload safe. With additionally choke free output. Integrated bus coupling unit with diagnostic function:. - Bus voltage, bus current, bus overload. - Bus voltage failure/return. - All events are stored with time stamp in a ring buffer. - Read out of the ring buffer by 14Byte telegram. - Safety functions to detect a failed device in the KNX line. 3 years warranty.