{"product_id":"sylvania-refled-superia-retro-mr16-gu5-3-4-3w","title":"Sylvania RefLED Superia Retro MR16 GU5.3 4.3W 36° 12V – Glass, replaces 35W","description":"\u003cp\u003eThe Sylvania RefLED Superia Retro MR16 is Sylvania's \u003cstrong\u003epremium-class LED MR16 designed for professional use\u003c\/strong\u003e, replacing the traditional 35W GU5.3 halogen lamp. This is the lowest power class in the Superia MR16 series—perfect for accent lighting, smaller spotlights, and applications where a softer light quality is desired. Available in \u003cstrong\u003efour color temperature variants\u003c\/strong\u003e, including a very warm 2700K, which provides an incandescent-like ambiance. Its all-glass construction, 25,000-hour lifespan, and five-year warranty make it a reliable choice for professional use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eGU5.3 base. Operates on 12V AC\/DC. Requires a transformer. Not dimmable.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"product-notice product-notice--warning\"\u003e\n  \u003cp\u003e\u003cstrong\u003e⚠ Order product\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003eThis product is an order product — delivery time is approximately \u003cstrong\u003e1 week\u003c\/strong\u003e from order. Availability can be checked in the shopping cart.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-notice product-notice--success\"\u003e\n  \u003cp\u003e\u003cstrong\u003e✓ Four color temperatures — including 2700K for an incandescent ambiance\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003eThis lamp is available in an \u003cstrong\u003eexceptionally wide range of color temperature variants\u003c\/strong\u003e: 2700K (very warm, incandescent ambiance), 3000K (warm white), 4000K (natural white), and 6500K (daylight). The 2700K option is a rarity in LED spotlights and is especially suitable for vintage and ambient lighting fixtures.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"product-notice product-notice--success\"\u003e\n  \u003cp\u003e\u003cstrong\u003e✓ Premium class — 5-year warranty, 25,000 h lifespan\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003eSylvania's Superia series is designed for \u003cstrong\u003eprofessional durability\u003c\/strong\u003e: 67% longer lifespan (25,000 h vs Retro 15,000 h), 2× more switching cycles (over 100,000), and a 5-year warranty (vs 3 years).\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces traditional 35W GU5.3 halogen lamp\u003c\/li\u003e\n  \u003cli\u003eLamp type: LED MR16 spotlight (Superia, professional use)\u003c\/li\u003e\n  \u003cli\u003eBrand: Sylvania\u003c\/li\u003e\n  \u003cli\u003eSeries: RefLED Superia Retro MR16\u003c\/li\u003e\n  \u003cli\u003eBase: GU5.3 (two-pin, 5.3 mm pins)\u003c\/li\u003e\n  \u003cli\u003eVoltage: 12 V AC\/DC (requires transformer)\u003c\/li\u003e\n  \u003cli\u003ePower: 4.3 W\u003c\/li\u003e\n  \u003cli\u003eLuminous flux: 345 lm (2700K and 3000K) \/ 380 lm (4000K and 6500K)\u003c\/li\u003e\n  \u003cli\u003eColor temperature: \u003cstrong\u003e2700 K, 3000 K, 4000 K or 6500 K\u003c\/strong\u003e (selectable)\u003c\/li\u003e\n  \u003cli\u003eBeam angle: 36° (wide floodlight)\u003c\/li\u003e\n  \u003cli\u003eColor rendering index (CRI): 80\u003c\/li\u003e\n  \u003cli\u003eLifespan: \u003cstrong\u003e25,000 hours\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eSwitching cycles: \u003cstrong\u003eover 100,000\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eLamp construction: all-glass housing (no plastic)\u003c\/li\u003e\n  \u003cli\u003eCompatibility: 12V transformers (magnetic or electronic)\u003c\/li\u003e\n  \u003cli\u003eDimmable: No\u003c\/li\u003e\n  \u003cli\u003eWarranty: \u003cstrong\u003e5 years\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eDiameter: 44 mm\u003c\/li\u003e\n  \u003cli\u003eLength: 50 mm\u003c\/li\u003e\n  \u003cli\u003eProduct codes: 2700K = 0031801 \/ 3000K = 0031802 \/ 4000K = 0031804 \/ 6500K = 0031806\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCompatibility and installation\u003c\/strong\u003e\u003c\/summary\u003e\n\n\u003cp\u003e\u003cstrong\u003e4 color temperature variants — for all uses\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis is the only model in the Superia MR16 series that offers four different color temperature options, including the rare 2700K variant:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2700K (warm, incandescent-like):\u003c\/strong\u003e household ambient lighting, restaurants, hotels, bars, vintage luminaires\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3000K (warm white):\u003c\/strong\u003e most common for ambient lighting — households, restaurants, cafes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4000K (natural white):\u003c\/strong\u003e offices, workspaces, shops, display cases\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6500K (daylight):\u003c\/strong\u003e museums, gallery staff rooms, task lighting, photography workshops\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe 2700K variant is particularly valuable because it is \u003cstrong\u003erare in LED spotlights\u003c\/strong\u003e — most manufacturers only offer 3000K and colder shades.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuperia class — for professional use\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eSylvania's Superia series is a premium classification that stands out from the regular RefLED Retro range with the following improvements:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLifespan 25,000 h\u003c\/strong\u003e — 67% longer than standard Retro (15,000 h)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitching cycles over 100,000\u003c\/strong\u003e — double that of standard Retro (50,000)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5-year warranty\u003c\/strong\u003e — longer than standard 2–3 year LED warranties\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis makes Superia an ideal choice for spaces where the lamp is in continuous or frequent use — hotels, restaurants, shops, offices, and exhibition spaces.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuperia MR16 series power levels — when to choose which?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eSylvania offers several power classes in the Superia MR16 series. The choice depends on the power of the old halogen lamp:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThis 4.3W (345\/380 lm):\u003c\/strong\u003e replaces 35W halogen — smaller accent lighting, precise spotlight\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/en\/products\/sylvania-refled-superia-retro-mr16-gu5-3-4-6w\"\u003e4.6W (460\/480 lm)\u003c\/a\u003e:\u003c\/strong\u003e replaces 40W halogen — general lighting, accent lighting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/en\/products\/sylvania-refled-superia-retro-mr16-gu5-3-6w\"\u003e6W (621 lm)\u003c\/a\u003e:\u003c\/strong\u003e replaces 50W halogen — powerful spotlight, shop displays\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eMeasure the power of the old halogen lamp — choose the correct model based on that.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMR16 size with 44 mm diameter\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis lamp is a \u003cstrong\u003ecompact MR16\u003c\/strong\u003e version — slightly smaller (44 mm) than a standard MR16 (51 mm), but maintains MR16 compatibility with its GU5.3 base. Suitable for both standard MR16 holders and slightly smaller housing openings.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRequires 12V transformer\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis is a 12V low-voltage lamp that requires a 12V transformer to operate. It works with both magnetic and electronic transformers, but compatibility with electronic transformers depends on the exact model of the transformer. The most common compatible brands are Helvar, Tridonic, Osram, Ledvance, and Vossloh-Schwabe.\u003c\/p\u003e\n\n\u003cp\u003eCompatible transformers can be found in the \u003ca href=\"\/en\/collections\/muuntajat\"\u003eElectrical supplies → Transformers\u003c\/a\u003e category.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCheck transformer power\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe transformer's power must match the lamp (or the total power of multiple lamps). For one 4.3W lamp, the transformer should be a minimum of approximately 5W (allow a small reserve). For multiple lamps:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e5 lamps = 21.5W → transformer at least 25W\u003c\/li\u003e\n  \u003cli\u003e10 lamps = 43W → transformer at least 50W\u003c\/li\u003e\n  \u003cli\u003e20 lamps = 86W → transformer at least 100W\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eGlass body — premium quality that looks authentic\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUnlike ordinary plastic LED lamps, this Sylvania RefLED Superia Retro has an all-glass body — the same material as traditional halogen lamps:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMore even light distribution than plastic\u003c\/li\u003e\n  \u003cli\u003eNo yellowing over time\u003c\/li\u003e\n  \u003cli\u003eHalogen-like appearance — seamlessly fits traditional luminaires\u003c\/li\u003e\n  \u003cli\u003eWithstands higher temperatures than plastic\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplaces 35W GU5.3 halogen — 88% energy savings\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 4.3W LED produces the same light output (345–380 lm) as a traditional 35W GU5.3 halogen. Energy savings are approximately \u003cstrong\u003e88%\u003c\/strong\u003e, and the lifespan is:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e35W GU5.3 halogen: 2,000–4,000 h\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThis Sylvania Superia: 25,000 h\u003c\/strong\u003e — 6–12 times longer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eThis lamp is not dimmable\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDo not install the lamp in a luminaire equipped with a dimmer. The lamp may flicker, stay on at full power, or be damaged.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e36° beam angle — wide spotlight\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe 36° beam angle of this lamp is a flood type — a wide spotlight suitable for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGeneral lighting in small spaces\u003c\/li\u003e\n  \u003cli\u003eAccent lighting in hotels, restaurants, and bars\u003c\/li\u003e\n  \u003cli\u003eProduct displays in shops and exhibition spaces\u003c\/li\u003e\n  \u003cli\u003eDisplay cases, jewelry stores, and smaller spotlights\u003c\/li\u003e\n  \u003cli\u003eModernizing older GU5.3 spotlights\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation checklist\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003col\u003e\n  \u003cli\u003eCheck that the luminaire has a GU5.3 base (not GU4 or GU10)\u003c\/li\u003e\n  \u003cli\u003eCheck that a 12V transformer (magnetic or electronic) is used\u003c\/li\u003e\n  \u003cli\u003eCheck that the transformer's power is sufficient for the total power of the lamps\u003c\/li\u003e\n  \u003cli\u003eCheck that the luminaire's dimensions (44 mm diameter, 50 mm length) are suitable\u003c\/li\u003e\n  \u003cli\u003eCheck that the luminaire does not have a dimmer\u003c\/li\u003e\n  \u003cli\u003eTurn off the power before installation — do not touch the lamp glass with your fingers\u003c\/li\u003e\n  \u003cli\u003eInstall the lamp and turn on the power\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eAlso check out our selection of \u003ca href=\"\/en\/collections\/gu5-3-led-kohdelamput\"\u003eother GU5.3 LED spotlights\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Sylvania","offers":[{"title":"4.3W \/ 2700K \/ GU5.3","offer_id":56572007448920,"sku":"0031801","price":7.2,"currency_code":"EUR","in_stock":true},{"title":"4.3W \/ 3000K \/ GU5.3","offer_id":56572007481688,"sku":"0031802","price":7.2,"currency_code":"EUR","in_stock":true},{"title":"4.3W \/ 4000K \/ GU5.3","offer_id":56572007514456,"sku":"0031804","price":7.2,"currency_code":"EUR","in_stock":true},{"title":"4.3W \/ 6500K \/ GU5.3","offer_id":56572007547224,"sku":"0031806","price":7.2,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/2171\/6917\/files\/0031813.jpg?v=1769001565","url":"https:\/\/www.lumenled.fi\/en\/products\/sylvania-refled-superia-retro-mr16-gu5-3-4-3w","provider":"Lumenled Oy","version":"1.0","type":"link"}