PSSu BP-C 1/8 C-TJ 314613 PSSu, base module for electronic modules, periphery, C-rail, 1-row, 4 connection levels, 8 terminals, spring-loaded connection, cold junction compensation with integral Pt1000,for increased environmental requirements. Carrier units for the I/O modules and supply voltage modules. These modules are simply inserted on to the base modules and are easy to change when making system adjustments.