{"product_id":"siemens-flame-detector-base-fdfb291","title":"Siemens Base for FDF241-9 Flame Detector, M20 Cable Entry FDFB291","description":"\u003cp\u003eThe Siemens FDFB291 is the base for the Siemens FDF241-9 flame detector, which plugs onto it. It suits installers wiring a flame detector into an FDnet\/C-NET or collective detector line. The cables end in the base, and it fixes with four screws to a bracket, rain hood or stable, vibration-free surface.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMade for the FDF241-9 – the flame detector is mounted onto this base\u003c\/li\u003e\n\u003cli\u003eQuick detector change – pluggable connection between flame detector and base\u003c\/li\u003e\n\u003cli\u003eFits several ways – on a bracket, ball and socket joint, rain hood or directly on a surface\u003c\/li\u003e\n\u003cli\u003eTool-light wiring – spring clip terminals\u003c\/li\u003e\n\u003cli\u003eFlexible cable entry – break-out openings, M20 x 1.5 metal cable gland where needed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFor installers\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMounting: four screws to the MV1 bracket, MWV1 ball and socket joint, DFZ1190 rain hood or directly on a stable, vibration-free surface. Use a secured ladder or work platform.\u003c\/li\u003e\n\u003cli\u003eCabling: break open the plastic parts for the cable entries you need. Use the M20 x 1.5 metal cable gland in damp and\/or corrosive environments.\u003c\/li\u003e\n\u003cli\u003eCompatibility: base for the FDF241-9 flame detector, on an FDnet\/C-NET or collective detector line.\u003c\/li\u003e\n\u003cli\u003eWiring: note the positive and negative poles and only connect one wire per terminal. Wherever possible use twisted, unshielded cables.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"mt-6\"\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ch4 class=\"product-description-title\"\u003eWhich detector fits the FDFB291?\u003c\/h4\u003e\n\u003cp\u003eThe Siemens FDF241-9 flame detector. It is mounted onto this base with a pluggable connection.\u003c\/p\u003e\n\u003ch4 class=\"product-description-title\"\u003eDoes it need a cable gland?\u003c\/h4\u003e\n\u003cp\u003eOnly if needed. Break open the plastic parts for cable entry, and screw in the M20 x 1.5 metal cable gland, which is needed in damp and\/or corrosive environments.\u003c\/p\u003e\n\u003ch4 class=\"product-description-title\"\u003eAre shielded cables required?\u003c\/h4\u003e\n\u003cp\u003eNot usually. Twisted, unshielded cables are preferred, and shielded cables are only required in special cases such as strong high-frequency fields.\u003c\/p\u003e\n\u003ch4 class=\"product-description-title\"\u003eHow is shielding connected if it is used?\u003c\/h4\u003e\n\u003cp\u003eThe detector line shielding must be connected in the detector base with DBZ1190 auxiliary terminals.\u003c\/p\u003e\n\u003ch4 class=\"product-description-title\"\u003eWhat goes at the end of a collective line?\u003c\/h4\u003e\n\u003cp\u003eA control panel-specific end-of-line, connected to the end of the collective detector line.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":57731785720181,"sku":"FDFB291","price":86.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/1216\/0612\/files\/siemens-fdfb291-flame-detector-base-open-view-with-terminals.jpg?v=1793976608","url":"https:\/\/wmestore.co.uk\/products\/siemens-flame-detector-base-fdfb291","provider":"WME","version":"1.0","type":"link"}