The Terminal Blocks catalog series is assigned primarily to din-rail terminal block products. Recorded product roles include IEC Term Blck, 9.9 x 39.5 x 60mm, Screw; TERMINAL BLK; IEC Term Blck, 12 x 56 x 60mm, Screw. Each listing keeps its complete manufacturer part number and available specifications, so models and accessories remain separate rather than being treated as substitutes.
Within the Terminal Blocks series, match the complete manufacturer part number; suffixes and separators can identify a different variant.
For Terminal Blocks, compare the recorded Wire Size, Terminal Size, Phase, Current fields on the individual product pages.
For Terminal Blocks, use the DIN-Rail Terminal Block title and specifications to separate complete devices from modules, accessories or replacement parts.