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Hera WSST is а conventional fire alarm sounder with a strobe and has one input for connection to a conventional fire alarm panel. Hera WSST is designed for indoor use only. The sounder is easy to install and consists of three parts: mounting plane basis, sounder body, and a plastic transparent cover.
The conventional sounder Hera WSST (SF100 Lite WSST) is certified according to standards EN54, part 3, and part 23.