knx binary input for conventional switches

{"cid":"91224765","title":"5WG12621DB31 N262D31 KNX Binary Input 4 Ch Potential Free Alu Silver","imgUrl":"https:\/\/img.chinax.com\/nimg\/23\/c0\/009388748ffb437fdf0d913c16ed-200x200-1.jpg","attrs":{"Model Number":"5WG12621DB31","Minimum Order Quantity":"5","Delivery Time":"7 Days","Certification":"CE RoHS","Payment Terms":"T\/T,Western Union","Output Type":"Provide signal voltage","Packaging Details":"Carton","Productname":"Binary Input","Output Current":"2 mA","Humidity":"5% to 95% non-condensing","Moduletype":"Input","Dimensions":"100mm x 75mm x 50mm","Function":"LED control","Place of Origin":"EU","Isolation":"Optical isolation"}}

{"cid":"91224043","title":"Schneider SpaceLogic KNX Binary input REG-K\/x10 MTN644592","imgUrl":"https:\/\/img.chinax.com\/nimg\/43\/3b\/09b27d0deddb584bf856cad7b777-200x200-1.jpg","attrs":[]}