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        PRODUCT FAMILY

        FAS‑420 Aspiration smoke detector series LSN improved

        Close Modal
        [{"images":[{"format":"300Wx300H","url":"https://resources-boschescurity-cdn-hre9eue8h0fefmcd.a02.azurefd.net/public/images/large/ProductPhoto_Web_all_9007200527198475.jpg","srcsetWidth":300,"isVideo":false}],"thumbnails":[{"format":"96Wx96H","url":"https://resources-boschescurity-cdn-hre9eue8h0fefmcd.a02.azurefd.net/public/images/small/ProductPhoto_Web_all_9007200527198475.jpg","srcsetWidth":96,"isVideo":false}],"zooms":[{"format":"515Wx515H","url":"https://resources-boschescurity-cdn-hre9eue8h0fefmcd.a02.azurefd.net/public/images/xlarge/ProductPhoto_Web_all_9007200527198475.jpg","srcsetWidth":515,"isVideo":false}]}] [] FAS‑420 Aspiration smoke detector series LSN improved
        • High deceptive alarm immunity with intelligent signal processing
        • Innovative airflow monitoring including single-hole monitoring detects obstruction and breakage
        • Initial set-up made easy by automatic initialization
        • Maintains LSN loop functions in the event of wire interruption or short-circuit thanks to two integrated isolators
        • SL-versions: Noise reduction to 38 dB(A) by extremely quiet fan and up to 34 dB(A) with additional sound absorber
        Revit file available
        easyinstall
        LSN
        vds
        Open Datasheet

        Product Variants

        FAS‑420 Aspiration smoke detector series LSN improved

        Aspiration smoke detector, 1 pipe system

        Commercial Type No. FAS-420-TP1
        Product No. F.01U.029.255

        FAS‑420 Aspiration smoke detector series LSN improved

        Aspiration smoke detector 2 pipe systems

        Commercial Type No. FAS-420-TP2
        Product No. F.01U.029.256

        FAS‑420 Aspiration smoke detector series LSN improved

        Aspiration smoke detector, 1 pipe system

        Commercial Type No. FAS-420-TT1
        Product No. F.01U.029.252

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