{"product_id":"knightsbridge-4w-led-emergency-bulkhead-ip65-maintained-non-maintained","title":"Knightsbridge 4W LED Emergency Bulkhead - IP65 Maintained\/Non-Maintained","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe Knightsbridge EMLED3L is a 4W LED emergency bulkhead providing 3-hour backup illumination in mains failure conditions, configured for either maintained or non-maintained operation. The fitting houses an integrated SMD LED array behind a prismatic polycarbonate diffuser, delivering 175 lumens in normal operation and 165 lumens in emergency mode at 6000K daylight white. The IP65-rated polycarbonate body withstands outdoor exposure and wet environments including covered external corridors, car parks and industrial loading bays.\u003c\/p\u003e\n\u003cp\u003eDesigned for exit route and emergency escape lighting in commercial, industrial and public buildings, the bulkhead mounts on walls or ceilings using a hinged gear tray that gives access to the internal battery and wiring without removing the unit from its fixings. A push-fit connector block simplifies installation, and the fitting ships with a self-adhesive legend kit allowing directional arrows or text to be applied to the diffuser face as required by BS 5266 emergency lighting standards.\u003c\/p\u003e\n\u003cp\u003eThe LiFePO4 (lithium iron phosphate) battery chemistry provides longer cycle life and more stable discharge characteristics than traditional NiCd or NiMH cells, maintaining reliable performance across the 3-year warranty period. Maintained mode keeps the LED lit during normal operation and switches to battery on mains failure; non-maintained mode keeps the LED off until mains failure triggers battery operation. The low 60mm projection suits installation in corridors and tight ceiling spaces where deeper fittings would intrude on headroom or door swing clearances.\u003c\/p\u003e\n\u003ch5\u003eSpecification\u003c\/h5\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e350 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e110 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProjection\u003c\/td\u003e\n\u003ctd\u003e60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003ePolycarbonate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClass\u003c\/td\u003e\n\u003ctd\u003eII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Voltage\u003c\/td\u003e\n\u003ctd\u003e230V 50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiffuser\u003c\/td\u003e\n\u003ctd\u003ePrismatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmergency\u003c\/td\u003e\n\u003ctd\u003eMaintained \/ Non-maintained \/ Switched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLamp Technology\u003c\/td\u003e\n\u003ctd\u003eSMD LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLamp Included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimmable\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBeam Angle\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCCT\u003c\/td\u003e\n\u003ctd\u003e6000 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Colour\u003c\/td\u003e\n\u003ctd\u003eDaylight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumens\u003c\/td\u003e\n\u003ctd\u003e175 lm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumens (Em. mode)\u003c\/td\u003e\n\u003ctd\u003e165 lm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWattage\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficacy\u003c\/td\u003e\n\u003ctd\u003e45.92 lm\/W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCRI\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch5\u003eDownloads\u003c\/h5\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/products_5708382_datasheet.pdf\" target=\"_blank\"\u003eProduct Specification Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eFrequently Asked\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between maintained and non-maintained operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMaintained mode keeps the LED lit continuously during normal operation and switches to battery backup during mains failure. Non-maintained mode keeps the LED off under normal conditions and only illuminates when mains power fails. Configuration is set during installation via internal wiring connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the battery last in emergency mode?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe LiFePO4 battery provides a minimum of 3 hours illumination at 165 lumens in emergency mode. The battery recharges automatically when mains power is restored, with typical recharge time of 24 hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this be used outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The IP65 rating protects against dust ingress and low-pressure water jets, making the fitting suitable for covered outdoor locations including car parks, external corridors, loading bays and covered walkways. It is not rated for full exposure to rain or submersion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the legend stickers for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe self-adhesive legend kit allows directional arrows or text (such as EXIT or emergency symbols) to be applied to the prismatic diffuser face, meeting BS 5266 requirements for emergency exit signage. The legends are visible when the LED is illuminated.\u003c\/p\u003e","brand":"Knightsbridge","offers":[{"title":"Default Title","offer_id":45293685309707,"sku":"EMLED3L","price":23.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/1369586_8f051951-5611-4e0e-961d-6d2ea6ed5733.jpg?v=1714662575","url":"https:\/\/niori.co.uk\/products\/knightsbridge-4w-led-emergency-bulkhead-ip65-maintained-non-maintained","provider":"Niori","version":"1.0","type":"link"}