{"product_id":"mr11-patron-halogeenikohdelamppu-gu4-10w-12v","title":"MR11 Patron halogen spotlight bulb GU4 10W 12V 2700K 30° – small spotlight, glass reflector","description":"\u003cp\u003eThe MR11 halogen spotlight is a small low-voltage lamp, particularly suitable for small spotlights, chandeliers, display cabinets, and decorative lighting. The 35 mm diameter and 30° beam angle produce a soft spotlight, while the 2700K warm tone is suitable for creating ambiance in households, restaurants, and exhibition lighting. The glass reflector provides clear and natural light distribution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠ Made-to-order product\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDelivery time approximately\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1 week\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom order. Availability can be checked in the shopping cart.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRequires a 12V transformer. GU4 base — not to be confused with the GU5.3 (MR16) base.\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eLamp type: MR11 halogen spotlight (low voltage)\u003c\/li\u003e\n\n\u003cli\u003eBase: GU4 (two-pin, 4 mm pin spacing)\u003c\/li\u003e\n\n\u003cli\u003eVoltage: 12 V (requires a transformer)\u003c\/li\u003e\n\n\u003cli\u003ePower: 10 W\u003c\/li\u003e\n\n\u003cli\u003eColor temperature: 2700 K (warm white)\u003c\/li\u003e\n\n\u003cli\u003eBeam angle: 30° (spotlight)\u003c\/li\u003e\n\n\u003cli\u003eColor rendering index (CRI): Ra 100 (typical for halogen)\u003c\/li\u003e\n\n\u003cli\u003eReflector type: Glass\u003c\/li\u003e\n\n\u003cli\u003eService life: typically 2,000–4,000 hours\u003c\/li\u003e\n\n\u003cli\u003eDimmable: Yes (with compatible dimmers)\u003c\/li\u003e\n\n\u003cli\u003eDiameter: 35 mm\u003c\/li\u003e\n\n\u003cli\u003eLength: 35 mm\u003c\/li\u003e\n\n\u003cli\u003eProduct code: 5941019829181\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCompatibility and installation\u003c\/strong\u003e\u003c\/summary\u003e\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. The transformer converts the household 230V mains voltage to 12V. You can find compatible transformers (both electronic and magnetic) in our selection under the \u003ca href=\"\/en\/collections\/muuntajat\"\u003eElectrical Supplies → Transformers\u003c\/a\u003e category.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCheck the transformer wattage\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 example, for one 10W lamp, the transformer must be at least 10W. For several lamps, calculate the total power and choose the transformer accordingly — it is often advisable to leave a small margin (e.g., four 10W lamps = 40W, choose a 50–60W transformer).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMR11 vs. MR16 — important distinction\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMR-type low-voltage spotlights are available in several sizes:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMR11\u003c\/strong\u003e — diameter \u003cstrong\u003e35 mm\u003c\/strong\u003e, base \u003cstrong\u003eGU4\u003c\/strong\u003e (4 mm pins) — this product\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMR16\u003c\/strong\u003e — diameter 51 mm, base GU5.3 (5.3 mm pins) — larger alternative\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003eThese are not interchangeable — they have different bases and sizes. Check the fixture base and the lamp size requirements before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTypical applications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eSmall spotlights and cabinet lights\u003c\/li\u003e\n\n\u003cli\u003eChandeliers and decorative fixtures requiring a small spotlight\u003c\/li\u003e\n\n\u003cli\u003eExhibition lighting and art display lighting (for background, not main spotlighting due to long-term exposure)\u003c\/li\u003e\n\n\u003cli\u003eHotel and restaurant spaces\u003c\/li\u003e\n\n\u003cli\u003eVintage interior lamps where the MR11 size is standard\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHalogen lamp — usage notes\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eHalogen lamps get hot during use — do not touch the glass surface when the lamp is on or has just been turned off. The service life is typically \u003cstrong\u003e2,000–4,000 hours\u003c\/strong\u003e, which is significantly shorter than LED alternatives (15,000–25,000 h). However, halogen retains its advantage with \u003cstrong\u003eperfect CRI 100 color rendering\u003c\/strong\u003e, which is ideal for professional use (art pieces, jewelry, colorful products).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation checklist\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003col\u003e\n\n\u003cli\u003eCheck that the fixture has a GU4 base (not GU5.3)\u003c\/li\u003e\n\n\u003cli\u003eCheck that you are using a 12V transformer with sufficient power for the total wattage of the lamps\u003c\/li\u003e\n\n\u003cli\u003eCheck that the lamp dimensions (Ø35 × 35 mm) fit the fixture\u003c\/li\u003e\n\n\u003cli\u003eTurn off the power before installation — do not touch the lamp glass with your fingers (grease can shorten service life)\u003c\/li\u003e\n\n\u003cli\u003eInstall the lamp and turn the power on\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eConsider an LED alternative\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf energy savings and longer service life are important, consider \u003ca href=\"\/en\/collections\/gu5-3-led-kohdelamput\"\u003eMR11 LED spotlights\u003c\/a\u003e, which use about 80% less energy and last up to 25,000 hours. However, halogen retains its advantage with perfect CRI 100 color rendering, which is particularly important when lighting art pieces and jewelry.\u003c\/p\u003e\n\n\u003c\/details\u003e","brand":"Patron","offers":[{"title":"10W \/ GU4","offer_id":56829013590360,"sku":"5941019829181","price":4.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/2171\/6917\/files\/4e875505a31de2820fceeefff5980be35a60c434_png.webp?v=1772526106","url":"https:\/\/lomenled.com\/en\/products\/mr11-patron-halogeenikohdelamppu-gu4-10w-12v","provider":"Lumenled Oy","version":"1.0","type":"link"}