Phoenix Contact SPTAF 1 PCB Terminal Blocks are designed to meet the stringent safety requirements of Ex eb protection, according to IEC 60079-7, for potentially explosive areas. Phoenix Contact SPTAF 1 PCB Terminal Blocks include all the advantages of the SPTAF-1 connector family, including a low overall height, high current-carrying capacity (rated up to 16A), and intuitive push-in wire termination. Applications include the oil and gas industry, petroleum refineries, and utility gas plants.