{"product_id":"45w-led-dual-mount-emergency-luminaire-1500mm-white","title":"45W LED Dual Mount Emergency Luminaire - 1500mm White","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe Knightsbridge SUR5LEDEM is a 1500mm LED emergency luminaire delivering 4790lm output from a 45W integrated SMD LED array at 4000K cool white. The fitting operates in maintained, non-maintained or switched emergency modes with a 3-hour battery backup providing 190lm emergency output when mains power is lost. The pressed steel and polypropylene body houses a constant current driver, opal diffuser and push-fit loop-in\/loop-out terminals for daisy-chain wiring.\u003c\/p\u003e\n\u003cp\u003eDesigned for offices, schools, healthcare facilities and retail environments, the luminaire can be surface-mounted directly to ceilings or suspended using the optional Knightsbridge suspension kit (sold separately). The low 45mm profile fits rooms with restricted ceiling voids and the 110-degree beam angle provides wide-area illumination suitable for corridor runs, open-plan offices and classroom blocks. The IP20 rating limits use to internal dry areas.\u003c\/p\u003e\n\u003cp\u003eThe 1500mm length and 200mm width give the fitting a substantial presence across standard ceiling grids, and the white powder-coated finish integrates with most commercial ceiling finishes. The opal polycarbonate diffuser reduces glare from the LED array below while maintaining high lumen efficiency at 133.97lm\/W. The L70B50 rating of 50,000 hours indicates the LED will retain 70% of initial output after 50,000 hours of operation, reducing maintenance frequency compared to older fluorescent battens.\u003c\/p\u003e\n\u003cp\u003eThe fitting is Class I and requires earthing. The constant current driver is compatible with various Knightsbridge PIR and daylight sensors for occupancy-based control, allowing the luminaire to dim or switch off when spaces are unoccupied or daylight levels are sufficient. The 5-year warranty covers the driver and LED array but excludes the emergency battery.\u003c\/p\u003e\n\u003ch5\u003eSpecification\u003c\/h5\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e1500 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProjection\u003c\/td\u003e\n\u003ctd\u003e45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003ePressed steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction 2\u003c\/td\u003e\n\u003ctd\u003e\u0026amp; polypropylene\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\u003eI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\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\u003eOpal\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\u003eL70B50\u003c\/td\u003e\n\u003ctd\u003e50000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnergy Rating (Class) post 2021 SLR\u003c\/td\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBeam Angle\u003c\/td\u003e\n\u003ctd\u003e110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCCT\u003c\/td\u003e\n\u003ctd\u003e4000 K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Colour\u003c\/td\u003e\n\u003ctd\u003eCool White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumens\u003c\/td\u003e\n\u003ctd\u003e4790 lm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumens (Light Source only)\u003c\/td\u003e\n\u003ctd\u003e6040 lm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumens (Em. mode)\u003c\/td\u003e\n\u003ctd\u003e190 lm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWattage\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficacy\u003c\/td\u003e\n\u003ctd\u003e133.97 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\u003eDriver Type\u003c\/td\u003e\n\u003ctd\u003eConstant Current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty Information\u003c\/td\u003e\n\u003ctd\u003e(excluding battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\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_3971037_datasheet.pdf\" target=\"_blank\"\u003eProduct Specification Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/manual_1048664.pdf\" target=\"_self\"\u003eProduct Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eFrequently Asked\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the three emergency modes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMaintained mode keeps the LED on continuously and switches to battery in a power cut. Non-maintained mode only illuminates from battery when mains power is lost. Switched mode allows normal switching with automatic battery activation during power failure. All three modes provide 190lm output for 3 hours from the internal battery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be suspended from the ceiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The luminaire can be surface-mounted or suspended using the optional Knightsbridge suspension kit, sold separately. The suspension kit allows the fitting to hang pendant-style from ceilings where surface-mounting is not practical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for corridor lighting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1500mm length, 4790lm output and 110-degree beam angle make it well-suited to corridor runs in offices, schools and healthcare buildings. Multiple units can be daisy-chained using the loop-in\/loop-out terminals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the battery last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe emergency battery provides 3 hours of backup lighting at 190lm output when mains power is lost. The battery is not covered by the 5-year warranty and will require replacement periodically depending on discharge frequency and environmental conditions.\u003c\/p\u003e","brand":"Knightsbridge","offers":[{"title":"Default Title","offer_id":45293984940299,"sku":"SUR5LEDEM","price":77.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/439470_55af14b2-020d-48ae-a01f-f7a0b3675afd.jpg?v=1714667123","url":"https:\/\/niori.co.uk\/products\/45w-led-dual-mount-emergency-luminaire-1500mm-white","provider":"Niori","version":"1.0","type":"link"}