sil 2 acc to iec en 61508 smart current driver

{"cid":"91225889","title":"KFD2 - SCD2 - Ex1 . LK SMART Current Driver 4 - 20mA HART Isolated Safety Barrier SIL2","imgUrl":"https:\/\/img.chinax.com\/nimg\/8e\/b7\/2348d7bea61421a11675c5f1c9ef-200x200-1.jpg","attrs":{"Price":"$52-55 \/ piece","Brand Name":"P+F","Model Number":"KFD2-SCD2-Ex1.LK","Minimum Order Quantity":"1 piece","Delivery Time":"1-3 weeks days","Place of Origin":"Germany","Payment":"T\\T","Product name":"SMART Current Driver","Warranty":"12 Months","Switching frequency":"\u2264 5 kHz","Service":"One-stop Service","Application":"Electronic Equipment","Payment Terms":"T\/T","Material":"Plastic","Dimensions":"2 x 12.4 x 11.5 CM","Condition":"100%new 100%Original","Shipping term":"DHL FEDEX UPS"}}

{"cid":"91225135","title":"KCD2-SCD-1 P+F Intrinsic Safety Barrier SMART Current Driver PEPPERL+FUCHS Zener Barrier","imgUrl":"https:\/\/img.chinax.com\/nimg\/81\/c7\/acd42b5a728caf77e9fc521e14bc-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"P+F","Model Number":"KCD2-SCD-1","Minimum Order Quantity":"1","Delivery Time":"3 working days","Place of Origin":"Singapore","Payment Terms":"T\/T,Western Union","Supply Ability":"500pcs\/month","Packaging Details":"original package","Condition":"original brand new","Warranty":"one year","Shipping way":"DHL FedEx express","Application":"Automation Industries, oil, gas, chemical industries","Certificate":"CE ISO TUV"}}