Pin-SS 3PH 10qmm, 12TE gray, pin busbar, fixed length 210mm for AFDD 5SM601.-2, pin spacing 2TE Connection: 6 x 3-phase pin busbar SENTRON 5ST3 as an additional component for residual current protective devices and circuit breakers. These additional components can be installed universally. They can be installed and connected easily and conveniently. Thanks to the standard touch protection, safety during installation is reliably guaranteed. Optimum technology for your safety - only from Siemens.