4 inputs for alternating or direct voltage in the range of 12...230 V, - Length of the unshielded connection cable per input of max. 100 m, - Electronics operated via bus voltage, - Integrated bus coupler, with bus connection via bus terminal, - Protection class: IP 20, - Screwless terminals for connecting and looping through untreated conductors, single-wire, fine-wire and multi-wire, 0.5...2.5 mm2, - For installation in automation module box AP 118 or room automation box AP 641
