{"product_id":"36w-led-e40-corn-lamp-4000k-cool-white","title":"36W LED E40 Corn Lamp - 4000K Cool White","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe Knightsbridge 36W LED E40 corn lamp is a direct retrofit replacement for high-intensity discharge (HID) and SON lamps in commercial and industrial high-bay fittings, post-top luminaires and enclosed floodlight housings. The E40 Edison screw base fits standard mogul sockets, and the 36W LED array delivers 5115 lumens at 4000K cool white with a 145lm\/W efficacy rating, reducing energy consumption by 60-70% compared to equivalent HID sources.\u003c\/p\u003e\n\u003cp\u003eThe lamp body is constructed from white polycarbonate and aluminium with an integral cooling system that draws heat away from the LED array via vertical aluminium fins visible between the polycarbonate ribs. This keeps the LEDs operating within thermal limits and supports the 50,000-hour L70B50 rated life (50,000 hours to 70% of initial output for at least 50% of lamps). The 280-degree beam angle provides near-omnidirectional light distribution, making it suitable for open and closed fixtures where light needs to spread in multiple directions rather than focus downward only.\u003c\/p\u003e\n\u003cp\u003eThe lamp measures 216mm in height and 85mm in diameter, fitting most standard E40 housings designed for original HID or SON lamps. The IP20 rating restricts use to indoor applications or fully enclosed outdoor luminaires that provide IP-rated environmental protection around the lamp itself. The lamp is non-dimmable and operates on 230V 50Hz mains. The CRI of \u0026gt;80 provides acceptable colour rendering for warehouses, retail stockrooms, manufacturing floors and other commercial spaces where task visibility is more critical than colour accuracy.\u003c\/p\u003e\n\u003ch5\u003eSpecification\u003c\/h5\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e85 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e216 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\u003eConstruction 2\u003c\/td\u003e\n\u003ctd\u003e\u0026amp; aluminium\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\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\u003eE40\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\u003e280\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\u003e5115 lm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWattage\u003c\/td\u003e\n\u003ctd\u003e36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficacy\u003c\/td\u003e\n\u003ctd\u003e145 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\u003e5\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_3629334_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 does this lamp replace?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 36W corn lamp is designed as a direct retrofit for 70-100W HID (metal halide or high-pressure sodium) lamps in E40 mogul-socket fittings. It delivers comparable lumen output at a fraction of the wattage and without the warm-up delay of discharge lamps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe lamp carries an IP20 rating, which means it must be installed inside a fully enclosed outdoor-rated luminaire that provides IP protection. It cannot be used in open or partially exposed outdoor fittings where moisture or dust could reach the lamp body directly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it dimmable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The lamp operates at full 36W output on standard 230V mains and is not compatible with dimmer switches or dimming control systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the expected lifespan?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe lamp is rated L70B50 at 50,000 hours, meaning at least 50% of lamps will still produce 70% or more of their initial 5115lm output after 50,000 hours of continuous operation. In practice this translates to 10-15 years of typical commercial use.\u003c\/p\u003e","brand":"Knightsbridge","offers":[{"title":"Default Title","offer_id":45293775913227,"sku":"CRN36CW","price":32.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/254984_32f4f21a-812d-41c9-a7c7-2b3890bb0baf.jpg?v=1714663907","url":"https:\/\/niori.co.uk\/products\/36w-led-e40-corn-lamp-4000k-cool-white","provider":"Niori","version":"1.0","type":"link"}