FAULT SIGNAL SWITCH 1S+1NC, FOR LS-BREAKER WITH TEST AND ACKNOWLEDGE BUTTON Additional components for residual current protective devices and 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 and circuit breakers, they offer many options for implementing various functions. Whether for infrastructure or industrial applications, Siemens offers the right accessories for all residual current and circuit breakers. This means you have the right device for every requirement. The Siemens accessories for residual current and circuit breakers are characterized above all by: 1. Universal attachment of all additional components. 2. Convenient and simple assembly and connection technology. 3. Reliable safety during installation thanks to standard touch protection. 4. Optimum technology for your safety - only from Siemens. www.siemens.de/lowvoltage. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe, efficient electrical infrastructure in buildings and industry.
| Property | Value |
| Device installation: | universal |
| Factory-fitted: | no |
| Number of contacts as normally open: | 1 |
| Number of contacts as normally closed: | 1 |
