Siemens 6AG1241-1CH30-5XB1 Automation Connection Component. The recorded exact-product description states: SIPLUS S7-1200 CB 1241 , based on 6ES7241-1CH30-1XB0 with conformal coating, -40…+60 °C, start up -25 °C, RS-485, terminal block, supports Freeport.