KNX actuator designed for controlling drives in heating systems. Supports 230V AC and 24V AC valve actuators. Standard KNX protocol; compatible with certified KNX equipment from various manufacturers, including ABB, Schneider Electric, Siemens, Zennio, and others. Power supply: DC 21–30V from the data bus. Maximum switching current per relay output: 300mA. Device dimensions: 72×90×64 mm. DIN-rail mounting.