{"product_id":"gx53-5w-led-bulb-non-dimmable-5000k-daylight-white","title":"GX53 5W LED Bulb Non-Dimmable - 5000K Daylight White","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe Knightsbridge GX53 5W LED bulb delivers 430 lumens of 5000K daylight white light through an opal diffuser. The GX53 twist-and-lock base fits flush lamp holders designed for under-cabinet lighting, surface-mounted downlights and utility task fixtures, making it a direct replacement for older GX53 halogens and CFLs.\u003c\/p\u003e\n\u003cp\u003eDesigned for kitchens, workshops, offices and utility spaces where clear neutral light supports detailed work, the 5000K output mimics natural midday daylight and provides high colour rendering (CRI \u0026gt;80) for accurate colour perception. The 120° beam angle gives even coverage without creating pools of light or dark corners in typical under-cabinet installations.\u003c\/p\u003e\n\u003cp\u003eThe 75mm disc measures just 26mm in height, allowing it to sit almost flush within compatible surface fittings. The polycarbonate and acrylic construction houses the LED array behind an opal diffuser that eliminates visible diodes and hotspots, producing a uniform wash of light. The bulb is non-dimmable and operates on standard 230V 50Hz mains, with an expected L70B50 lifespan of 50,000 hours (approximately 17 years at 8 hours daily use).\u003c\/p\u003e\n\u003ch5\u003eSpecification\u003c\/h5\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e26mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003ePolycarbonate \u0026amp; acrylic\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\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\u003eLamp Technology\u003c\/td\u003e\n\u003ctd\u003eLED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLamp Base\u003c\/td\u003e\n\u003ctd\u003eGX53\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\u003eF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBeam Angle\u003c\/td\u003e\n\u003ctd\u003e120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCCT\u003c\/td\u003e\n\u003ctd\u003e5000K\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\u003e430lm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWattage\u003c\/td\u003e\n\u003ctd\u003e5W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficacy (Light source)\u003c\/td\u003e\n\u003ctd\u003e93.03lm\/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\u003e2 Year Guarantee\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-GXLED5K.pdf\" target=\"_blank\"\u003eProduct Specification Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eFrequently Asked\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eIs this bulb dimmable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This is a non-dimmable LED bulb designed for standard on\/off switching. Pairing it with a dimmer switch may cause flickering, reduced lifespan, or failure to light.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat colour temperature is 5000K?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e5000K is classified as daylight white or cool white. It produces a neutral, slightly blue-toned light similar to natural midday sunlight, making it well-suited to task lighting where colour accuracy and clarity matter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat fixtures does this fit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe GX53 base fits flush-mounted lamp holders typically found in under-cabinet lights, surface-mounted downlights, and utility task fixtures. The twist-and-lock mechanism secures the bulb without requiring a screw thread.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does this bulb last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe L70B50 rating of 50,000 hours means the bulb will maintain at least 70% of its initial output for 50,000 hours of use. At 8 hours per day, that equates to approximately 17 years of operation before noticeable dimming occurs.\u003c\/p\u003e","brand":"Knightsbridge","offers":[{"title":"Default Title","offer_id":51391562088715,"sku":"GXLED5K","price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/137926_077704ff-f876-4775-bb8b-c867ff408de0.jpg?v=1747061756","url":"https:\/\/niori.co.uk\/products\/gx53-5w-led-bulb-non-dimmable-5000k-daylight-white","provider":"Niori","version":"1.0","type":"link"}