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        D340 Family two‑wire duct smoke detector housings

        Duct detector housing, 2-wire

        CTN: D340 | Product No.: 4.998.113.252
        Discontinued
        Close Modal
        [{"images":[{"format":"300Wx300H","url":"https://resources-boschsecurity-cdn.azureedge.net/public/images/large/ProductPhoto_Web_all_68504013707.png","srcsetWidth":300,"isVideo":false}],"thumbnails":[{"format":"96Wx96H","url":"https://resources-boschsecurity-cdn.azureedge.net/public/images/small/ProductPhoto_Web_all_68504013707.png","srcsetWidth":96,"isVideo":false}],"zooms":[{"format":"515Wx515H","url":"https://resources-boschsecurity-cdn.azureedge.net/public/images/xlarge/ProductPhoto_Web_all_68504013707.png","srcsetWidth":515,"isVideo":false}]}] [] Duct detector housing, 2-wire
        • For 1 ft (30.5 cm) to 10 ft (3 m) ducts with air velocity between 300 ft./min. to 4000 ft./min. (1.52 m/s to 20.3 m/s)
        • Easy duct tube installation through the housing cuts installation time
        • Detector test and reset without removing covers
        • Clear cover allows quick visual inspection
        • Tube filters, dust immune smoke detector, and easy disassembly for cleaning reduce maintenance time and cost

        Technical Specification

        Key Specifications

        Current consumption (mA) 0.12 – 0.14 mA
        Material Plastic
        Operating relative humidity, non-condensing (%) 0 – 95 %
        Operating temperature (°C) 0 – 49 °C
        Operating voltage (VDC) 8.5 – 32 VDC
        Permissible air speed (m/s) 20.30 m/s
        Parts Included

        Parts included with this product

        Quantity Component
        1 D340 Duct Detector Housing
        1 Exhaust tube
        1 Cover gasket
        2 Tube clamps with four screws
        2 Foam gaskets
        2 Air filters
        1 Drilling template
        1 Hardware pack
        1 Literature pack
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