Pin busbar, 3-phase 10mm2, 58TE, gray insulation, cuttable for AFDD 5SM601.-2, top hat rail spacing at least 150 mm Pin busbar SENTRON 5ST3 as an additional component for residual current devices and circuit breakers. These additional components can be mounted universally. They are easy and convenient to install and connect. Thanks to the standard touch protection, safety during installation is reliably guaranteed. Optimum technology for your safety - only from Siemens.