Siemens 6AV6352-1KB31-0AA0 Description Description Siemens WINCC OA HTTP SERVER EXTENSION 5 , EXTENDS THE WINCC OA WEB SERVER LICENSE BY 5 HTTP CONNECTIONS Related products SIEMENS 1FK6032-6AK71-1TA0 SIEMENS 1FK6042-6AF71-1TH0 SIEMENS 1FK7060-5AF71-1FH3 SIEMENS 1FK7103-5AF71-1DH0 SIEMENS 1FN3150-4SA00-0AA0 SIEMENS 1FK7044-7AF71-1EG0