s4i (Sensors 4 Industry) is the fast way to source sensors and control equipment from many market leaders in automation including Balluff,Sunx,Takex / Seeka Turck / Banner. Type in the part number, or first few characters of the code, in the search box.The system will then search its 250,000+ database for you.If you know the manufacturer, then click on product range from the menu and select browse by manufacturer from the drop down menu and browse.s4i offers as quick sensor device location.Online sales at fast location speeds for items when you only have a part number.