Adapter for FI/LS switches 5SU1 to 2TE as an accessory for remote operator 5ST Adapter SENTRON 5ST3 as an additional component for residual current devices and circuit breakers.These additional components can be mounted universally. They can be installed and connected easily and conveniently. Thanks to the standard touch protection, safety during installation is reliably guaranteed.Optimal technology for your safety - only from Siemens.