Siemens terminal block, 10mm² connection: 3-phase/N+8x phase touch-safe for 1F, 4-pole + 8LS, 1-pole additional components for residual current protection devices and circuit breakers from Siemens. The additional components from Siemens are an essential part of the SENTRON protection devices for electrical installations. As accessories for RCDs and circuit breakers, they offer many possibilities for implementing various functions. Whether for infrastructure or industrial applications, Siemens provides the right accessories for all RCDs and circuit breakers. This way, you have the suitable device for every requirement. The Siemens accessories for residual current and circuit breakers stand out primarily due to: 1. Universal compatibility of all additional components. 2. Comfortable and straightforward installation and connection technology. 3. Reliable safety during installation thanks to standard touch protection. 4. Optimal technology for your safety – exclusively from Siemens. Siemens offers a comprehensive portfolio of protection, switching, measuring, and monitoring devices, as well as distribution systems for a safe and efficient electrical infrastructure in buildings and industry.