{"product_id":"twin-t5-4ft-2x28w-emergency-batten-white","title":"Twin T5 4ft 2x28W Emergency Batten - White","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe Knightsbridge T5228EM is a twin-lamp 4ft T5 fluorescent batten with integrated emergency lighting function, accepting two 28W T5 fluorescent tubes (sold separately). The white pressed steel body houses a high-frequency ballast that soft-starts the lamps to reduce stress on strike and extends lamp life over conventional magnetic ballast systems.\u003c\/p\u003e\n\u003cp\u003eDesigned for offices, schools, retail stockrooms, corridors and public-access areas where emergency backup lighting is required by building regulations, the batten can operate in maintained, non-maintained or switched emergency modes. Maintained mode keeps the lamps lit continuously on mains power and switches to battery on power failure; non-maintained mode only activates the lamps during a power cut; switched mode allows normal on\/off control with automatic emergency activation when mains power is lost. The 1175mm length suits standard 4ft fluorescent tube spacing.\u003c\/p\u003e\n\u003cp\u003eThe batten mounts to ceiling or wall using the end-bracket system, with cable entry points on each end cap. The IP20 rating limits use to dry interior spaces, and the Class I earthing requirement means the installation must connect to a mains earth terminal. The polycarbonate lamp holders and end caps resist impact better than ceramic equivalents in high-traffic areas. Emergency battery capacity and runtime depend on lamp wattage and emergency mode selected — see the specification sheet in Downloads for full detail.\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\u003e1175mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e63mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProjection\u003c\/td\u003e\n\u003ctd\u003e83.5mm\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\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eWhite\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\u003eClass\u003c\/td\u003e\n\u003ctd\u003eI\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\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\u003eFluorescent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLamp Included\u003c\/td\u003e\n\u003ctd\u003eNo\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\u003eMax. Wattage\u003c\/td\u003e\n\u003ctd\u003e2x28W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 Year Guarantee\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\/datasheet-T5228EM.pdf\" target=\"_blank\"\u003eProduct Specification Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eFrequently Asked\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the difference between maintained, non-maintained and switched emergency modes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMaintained mode keeps the lamps on continuously when mains power is available and switches to battery backup during a power cut. Non-maintained mode only lights the lamps during a power failure, leaving them off when mains is present. Switched mode allows normal on\/off control via a wall switch but automatically activates emergency lighting when mains power is lost.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the fluorescent tubes included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The batten requires two 28W T5 fluorescent tubes, sold separately. Standard 4ft T5 tubes with G5 cap fittings are compatible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this be used in bathrooms or outdoor covered areas?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The IP20 rating limits the batten to dry interior spaces with no water ingress risk. Bathrooms, outdoor canopies and damp storage areas require higher IP-rated fittings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the emergency battery last during a power cut?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEmergency runtime depends on the lamp wattage, battery capacity and emergency mode selected. Typical non-maintained emergency battens provide 3 hours of backup lighting. See the product specification sheet in Downloads for exact runtime and battery detail for this model.\u003c\/p\u003e","brand":"Knightsbridge","offers":[{"title":"Default Title","offer_id":51391508381963,"sku":"T5228EM","price":36.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/101882_51e81b04-36d1-4c4e-9ae1-ddc5c440bd46.jpg?v=1747061123","url":"https:\/\/niori.co.uk\/products\/twin-t5-4ft-2x28w-emergency-batten-white","provider":"Niori","version":"1.0","type":"link"}