{"product_id":"sylvania-refled-superia-retro-mr16-gu5-3-4-3w-himmennettava","title":"Sylvania RefLED Superia Retro MR16 GU5.3 4.3W Dimmable 12V – Replaces 35W","description":"\u003cp\u003eThe Sylvania RefLED Superia Retro MR16 is Sylvania's \u003cstrong\u003eprofessional-grade, premium dimmable LED MR16\u003c\/strong\u003e, replacing traditional 35–40W GU5.3 halogen lamps. This is the lowest power class in the Superia MR16 DIM series, making it ideal for ambient lighting and applications where a softer, dimmable light is desired. Available in \u003cstrong\u003efour color temperature variants\u003c\/strong\u003e, including an extra warm 2700K. Its full 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. Dimmable with approved LED-compatible dimmers.\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 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✓ Most affordable dimmable Superia MR16 model\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp\u003eThis 4.3W DIM is the \u003cstrong\u003emost affordable dimmable Superia MR16\u003c\/strong\u003e in our selection (€7.41) — a perfect choice when a softer ambient light with dimmable functionality is desired. You get the same premium quality (25,000 h, 5-year warranty) at a lower price than higher power models.\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 35–40W GU5.3 halogen lamp\u003c\/li\u003e\n  \u003cli\u003eLamp type: LED MR16 spotlight (Superia DIM, professional use, dimmable)\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 a 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 spotlight)\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: full glass body (no plastic)\u003c\/li\u003e\n  \u003cli\u003eCompatibility: 12V transformers (magnetic or electronic)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimmable: Yes\u003c\/strong\u003e (with approved LED-compatible dimmers)\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 = 0031813 \/ 3000K = 0031814 \/ 4000K = 0031815 \/ 6500K = 0031816\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\u003eDimmable — what does this mean in practice?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis lamp is designed to work \u003cstrong\u003ewith dimmers\u003c\/strong\u003e — you can smoothly adjust the light level between minimum and maximum brightness. Important considerations:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAn LED-compatible dimmer circuit is required\u003c\/strong\u003e — old halogen dimmers may not work reliably with this lamp\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimming may cause slight flickering or pulsing\u003c\/strong\u003e at low power levels — this is a common phenomenon in LED dimming\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe minimum power limit\u003c\/strong\u003e is typically around 10–15% — below this, the lamp may turn off completely\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCheck compatibility\u003c\/strong\u003e — Sylvania maintains a list of approved dimmers; contact our customer service if you have doubts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCompatible dimmers can be found in the \u003ca href=\"\/en\/collections\/himmentimet\"\u003eElectrical Supplies → Dimmers\u003c\/a\u003e category.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuperia MR16 DIM series — when to choose 4.3W vs 5W vs 6.1W?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eSylvania offers three power options in the Superia MR16 DIM series:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThis 4.3W DIM (345\/380 lm):\u003c\/strong\u003e replaces a 35–40W halogen — soft ambient light, general household lighting, most affordable dimmable Superia MR16\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/en\/products\/sylvania-refled-superia-retro-mr16-gu5-3-5w-himmennettava\"\u003e5W DIM (460\/480 lm)\u003c\/a\u003e:\u003c\/strong\u003e replaces a 40W halogen — general lighting, ambient lighting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/en\/products\/sylvania-refled-superia-retro-mr16-gu5-3-6-1w-himmennettava\"\u003e6.1W DIM (621 lm)\u003c\/a\u003e:\u003c\/strong\u003e replaces a 50W halogen — powerful spotlight, retail displays\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eMeasure the power of your old halogen lamp — choose the correct model based on that. If the old lamp was 35W or less, choose this 4.3W model.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTypical applications — dimmable soft light\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRestaurants and cafes\u003c\/strong\u003e — dimmer ambient lighting for evening gatherings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHouseholds\u003c\/strong\u003e — adjustable lighting for living rooms, bedrooms, and dining areas\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHotels\u003c\/strong\u003e — ambient lighting for rooms and lobbies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHome theaters\u003c\/strong\u003e — light level during movies and entertainment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChandeliers and multi-lamp fixtures\u003c\/strong\u003e — the combined power of several 4.3W lamps is sufficient for general lighting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e4 color temperature variants — for all applications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2700K (extra warm, incandescent-like):\u003c\/strong\u003e households, restaurants, hotels, vintage luminaires\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3000K (warm white):\u003c\/strong\u003e most common for ambient lighting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4000K (natural white):\u003c\/strong\u003e offices, meeting rooms, retail stores\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6500K (daylight):\u003c\/strong\u003e museums, gallery staff areas, spaces requiring precise work\u003c\/li\u003e\n\u003c\/ul\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 compact MR16 version — slightly smaller (44 mm) than standard MR16 (51 mm), but maintains MR16 compatibility with its GU5.3 base. Suitable for both standard MR16 holders and slightly smaller recesses.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRequires a 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 specific model of the transformer. The most common compatible brands are Helvar, Tridonic, Osram, Ledvance, and Vossloh-Schwabe.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTransformer and dimmer — both must be LED-compatible\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIn a dimmable system, both components must be LED-compatible:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransformer:\u003c\/strong\u003e 12V LED-compatible (magnetic or electronic)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimmer:\u003c\/strong\u003e LED-compatible — old halogen dimmers may not work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCompatible transformers can be found in \u003ca href=\"\/en\/collections\/muuntajat\"\u003eElectrical Supplies → Transformers\u003c\/a\u003e and dimmers in \u003ca href=\"\/en\/collections\/himmentimet\"\u003eElectrical Supplies → Dimmers\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. 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\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe full glass body produces a more even light distribution than plastic, does not yellow over time, and gives a halogen-like appearance — fitting seamlessly into traditional luminaires.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplaces 35–40W GU5.3 halogen — 88% energy saving\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 4.3W LED produces the same light output (345–380 lm) as a traditional 35–40W GU5.3 halogen. The energy saving is approximately \u003cstrong\u003e88%\u003c\/strong\u003e, and the lifespan is:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e35–40W GU5.3 halogen: 2,000–4,000 h\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThis Sylvania Superia DIM: 25,000 h\u003c\/strong\u003e — 6–12 times longer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e36° beam angle — wide spotlight\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eFlood-class spotlight, suitable for general lighting, ambient lighting, and accent lighting.\u003c\/p\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 is in use (magnetic or electronic)\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\u003e\n\u003cstrong\u003eCheck that the dimmer is LED-compatible\u003c\/strong\u003e (if in use)\u003c\/li\u003e\n  \u003cli\u003eCheck that the luminaire dimensions (44 mm diameter, 50 mm length) are suitable\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  \u003cli\u003eTest the dimming function at different levels — check that the lamp does not flicker disturbingly\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eAlso explore our selection of \u003ca href=\"\/en\/collections\/gu5-3-led-kohdelamput\"\u003eother GU5.3 LED spotlights\u003c\/a\u003e and \u003ca href=\"\/en\/collections\/himmentimet\"\u003edimmers\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"Sylvania","offers":[{"title":"4.3W \/ 2700K \/ GU5.3","offer_id":56571904131416,"sku":"0031813","price":7.85,"currency_code":"EUR","in_stock":true},{"title":"4.3W \/ 3000K \/ GU5.3","offer_id":56571904164184,"sku":"0031814","price":7.85,"currency_code":"EUR","in_stock":true},{"title":"4.3W \/ 4000K \/ GU5.3","offer_id":56571904196952,"sku":"0031815","price":7.85,"currency_code":"EUR","in_stock":true},{"title":"4.3W \/ 6500K \/ GU5.3","offer_id":56571904229720,"sku":"0031816","price":7.85,"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-himmennettava","provider":"Lumenled Oy","version":"1.0","type":"link"}