Contact hazard protection for free connections in yellow. Additional components for residual current devices and miniature circuit-breakers from Siemens. The additional components from Siemens are an important part of the Sentron protective devices for electrical installations. As accessories for residual current circuit-breakers and miniature circuit-breakers, they offer many possibilities for realising various functions. Whether for infrastructure or industrial applications, Siemens offers the right accessories for all RCDs and miniature circuit-breakers. So you have the right device for every requirement. The Siemens accessories for residual current circuit-breakers and miniature circuit-breakers are characterised above all by 1. universal attachability of all additional components. 2. convenient and simple installation and connection technology. 3. reliable safety during installation thanks to standard contact hazard protection. 4. optimum technology for your safety - only from Siemens. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems, switches and sockets for safe, efficient electrical infrastructure in buildings and industry.