{"product_id":"jcb-4-9w-led-gls-bulb-b22-warm-white-3000k-non-dimmable","title":"JCB 4.9W LED GLS Bulb B22 Warm White 3000K Non-Dimmable","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe JCB 4.9W LED GLS bulb produces 470 lumens at 3000K warm white colour temperature from a standard B22 bayonet cap fitting. The bulb draws 4.9W on 230V mains and replaces traditional 40W incandescent GLS bulbs with an 88% reduction in energy consumption. The classic GLS (General Lighting Service) shape measures 60mm diameter by 110mm height and fits standard BC lamp holders in ceiling lights, table lamps and wall lights.\u003c\/p\u003e\n\u003cp\u003eDesigned for general ambient lighting in living rooms, bedrooms, hallways and dining areas, the 3000K colour temperature produces a warm white light tone comparable to halogen or incandescent sources. The non-dimmable design provides consistent output without flicker, making it suitable for switch-only control circuits. The 180-degree beam angle delivers wide light distribution across a room rather than focused spot lighting.\u003c\/p\u003e\n\u003cp\u003eThe bulb carries an Energy Rating of F under the updated 2021 EU energy labelling scale, which applies stricter benchmarks than the previous A-G scale used before September 2021. JCB rates the bulb for up to 10 years of typical domestic use based on 2.7 hours daily operation. The bulb switches on instantly to full brightness with no warm-up delay, and the solid-state LED construction handles standard on-off cycling better than compact fluorescent alternatives.\u003c\/p\u003e\n\u003ch5\u003eSpecification\u003c\/h5\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (KG)\u003c\/td\u003e\n\u003ctd\u003e0.04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth (mm)\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight (mm)\u003c\/td\u003e\n\u003ctd\u003e110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth (mm)\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWattage\u003c\/td\u003e\n\u003ctd\u003e4.9W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLumen\u003c\/td\u003e\n\u003ctd\u003e470\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLamp Shape\u003c\/td\u003e\n\u003ctd\u003eGLS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLamp Base\u003c\/td\u003e\n\u003ctd\u003eB22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnergy Rating\u003c\/td\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKelvin\u003c\/td\u003e\n\u003ctd\u003e3,000K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour Temperature\u003c\/td\u003e\n\u003ctd\u003eWarm White\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\u003e180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED or Halogen\u003c\/td\u003e\n\u003ctd\u003eLED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch5\u003eFrequently Asked\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhat wattage incandescent bulb does this replace?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis 4.9W LED bulb produces 470 lumens, which is equivalent to a 40W incandescent GLS bulb. The 88% energy reduction means it uses approximately 4.9W to produce the same light output that previously required 40W.\u003c\/p\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 switch control. Using it with a dimmer switch may cause flicker, buzzing or premature failure. JCB produces separate dimmable versions if dimmer compatibility is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the F energy rating mean?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe F rating applies under the updated 2021 EU energy labelling scale, which uses stricter benchmarks than the previous A-G scale. An F-rated LED bulb under the new scale is still significantly more efficient than halogen or incandescent alternatives, which would rate G or lower.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the typical lifespan?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eJCB rates this bulb for up to 10 years of typical use based on 2.7 hours of daily operation, which equates to approximately 10,000 hours. Actual lifespan varies depending on usage patterns, ambient temperature and the number of on-off cycles.\u003c\/p\u003e","brand":"JCB","offers":[{"title":"Default Title","offer_id":46074098221323,"sku":"S10987","price":1.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/S10987_1_6c751278-6445-4431-ac71-61cd62939b95.jpg?v=1730311682","url":"https:\/\/niori.co.uk\/products\/jcb-4-9w-led-gls-bulb-b22-warm-white-3000k-non-dimmable","provider":"Niori","version":"1.0","type":"link"}