Some of the requirements and ratings include: voltage, continuous current, wire range (load and line side), short-circuit current rating or withstand rating (SCCR), type of upstream overcurrent protective device (fuse or circuit breaker) and spacing (between uninsulated live part and. Some of the requirements and ratings include: voltage, continuous current, wire range (load and line side), short-circuit current rating or withstand rating (SCCR), type of upstream overcurrent protective device (fuse or circuit breaker) and spacing (between uninsulated live part and. With SIRIUS, SENTRON, SIVACON and ALPHA, we offer an innovative portfolio for standard-compliant and demand-oriented applications. Eficient engineering tools and innovative cloud-based solutions can be flexibly tailored to individual requirements. The. This catalog contains selection information, specifications, dimensions, SCCR ratings, application information, and wire class information for Schneider Electric NSYEB enclosed power distribution blocks, Square D 9080 open The documentation available online is generally the latest version. The XB Series terminal blocks have two bridge shafts. Need technical documentation for your terminal blocks and marking systems? You can find it here. Need specifications? Ready to install? Looking for more? Are Your Terminal Blocks Taking Up Too Much Space? Need specifications? Ready to install? Looking for more? Need specifications? Ready to. What Is a Terminal Block? A terminal block is a modular insulated housing containing: Terminal blocks for industrial, commercial, and residential applications comply with: Terminal blocks operate in circuits up to 1000V AC (≤1000Hz) or 1500V DC, supporting conductor sizes from 0. 2mm² to 300mm² (AWG. The distribution blocks and device terminal blocks from the FIX block system are available ready to connect in different cross-sections, mounting types, and colors.