Set of end caps for pin busbars 5ST3 76. blue, set consisting of: 1 cap right/1 cap left SENTRON 5ST3 busbar systems 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.