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Our featured products from GU5.3 LED bulbs

  • SALE -20%
    6W 12V GU5.3 MR16 S11 470lm LED Bulb

    Before 2,02 €

    1,62 €

    Ref 3564

    6W 12V GU5.3 MR16 S11 470lm LED Bulb

    In Stock, delivery in 9-10 days

    • Power: 5.3 W
    • Height: 52 mm
    • Diameter: Ø50 mm
    • s
  • SALE -14%
    6W GU5.3 MR16 S11 470lm LED Bulb

    Before 1,41 €

    1,21 €

    Ref 3566

    6W GU5.3 MR16 S11 470lm LED Bulb

    In Stock, delivery in 9-10 days

    • Power: 6 W
    • Height: 52 mm
    • Diameter: Ø50 mm
    • s
  • 5W 12V GU5.3 MR16 380 lm LED Bulb

    2,84 €

    Ref 37645

    5W 12V GU5.3 MR16 380 lm LED Bulb

    In Stock, delivery in 9-10 days

    • Power: 5 W
    • Height: 45 mm
    • Diameter: Ø50 mm
    • s
  • 5W GU5.3 MR16 S11 556lm LED Bulb

    2,02 €

    Ref 73067

    5W GU5.3 MR16 S11 556lm LED Bulb

    In Stock, delivery in 9-10 days

    • Power: 5 W
    • Height: 51 mm
    • Diameter: Ø50 mm
    • s
  • 7W 12-24V GU5.3 MR16 556lm LED Bulb

    2,43 €

    Ref 73077

    7W 12-24V GU5.3 MR16 556lm LED Bulb

    In Stock, delivery in 9-10 days

    • Power: 7 W
    • Height: 51 mm
    • Diameter: Ø50 mm
    • s
  • 6-4W MR16/GU10 4CCT Dimmable LED Module for Downlight Ring

    14,22 €

    Ref 100250

    6-4W MR16/GU10 4CCT Dimmable LED Module for Downlight Ring

    In Stock, delivery in 9-10 days

    • Power: 4-6 W
    • Height: 30 mm
    • Diameter: Ø50 mm
  • 5.8W 36º 490lm GU5.3 MR16 SpotVLE LED Bulb PHILIPS

    18,90 €

    Ref 95149

    PHILIPS

    5.8W 36º 490lm GU5.3 MR16 SpotVLE LED Bulb PHILIPS

    In Stock, 15-20 days shipping

    • Power: 5.8 W
    • Power Factor: 0.7
    • Height: 45.5 mm
    • s
  • 7.5W 12V GU5.3 MR16 36º 520 lm PHILIPS ExpertColour Dimmable LED Bulb CRI 92

    30,49 €

    Ref 5566

    PHILIPS

    7.5W 12V GU5.3 MR16 36º 520 lm PHILIPS ExpertColour Dimmable LED Bulb CRI 92

    In Stock, 15-20 days shipping

    • Power: 7.5 W
    • Height: 46 mm
    • Diameter: Ø50.5 mm
    • s
  • 7W 12V GU5.3 MR16 660 lm 36º PHILIPS SpotVLE Dimmable LED Bulb

    17,47 €

    Ref 4602

    PHILIPS

    7W 12V GU5.3 MR16 660 lm 36º PHILIPS SpotVLE Dimmable LED Bulb

    In Stock, 15-20 days shipping

    • Power: 7 W
    • Height: 36 mm
    • Diameter: Ø50.5 mm
    • s
  • White Round Downlight Frame for GU10 / GU5.3 LED Bulbs (indrect light) Ø 70 mm

    4,67 €

    Ref 5359

    White Round Downlight Frame for GU10 / GU5.3 LED Bulbs (indrect light) Ø 70 mm

    In Stock, delivery in 9-10 days

    • Height: 35 mm
    • Diameter: Ø85 mm
    • Material: Aluminium
  • SALE -35%
    Silver Round Downlight Frame for GU10 / GU5.3 LED Bulbs with  Ø65 mm Cut-Out

    Before 4,67 €

    3,04 €

    Ref 5357

    Silver Round Downlight Frame for GU10 / GU5.3 LED Bulbs with Ø65 mm Cut-Out

    In Stock, delivery in 9-10 days

    • Height: 30 mm
    • Diameter: Ø80 mm
    • Material: Glass, Aluminium
  • GU5.3 MR16 Lampholder

    0,40 €

    Ref 312

    GU5.3 MR16 Lampholder

    In Stock, delivery in 9-10 days

    • Material: Ceramic
  • White Round Downlight Frame for GU10 / GU5.3 LED Bulbs with  Ø65 mm Cut-Out

    4,67 €

    Ref 5356

    White Round Downlight Frame for GU10 / GU5.3 LED Bulbs with Ø65 mm Cut-Out

    In Stock, delivery in 9-10 days

    • Height: 25 mm
    • Diameter: Ø78 mm
    • Material: Glass, Aluminium
  • E27 to MR16 Adaptor

    1,01 €

    Ref 289

    E27 to MR16 Adaptor

    In Stock, delivery in 9-10 days

  • Square Tilting Downlight Frame for a GU10/GU5.3 LED Bulb Cut Ø 72 mm

    3,24 €

    Ref 1639

    Square Tilting Downlight Frame for a GU10/GU5.3 LED Bulb Cut Ø 72 mm

    Pre-Order, estimated shipping from 13/02/2024

    • Width: 80 mm
    • Height: 24 mm
    • Material: Aluminium
  • Round Tilting Downlight Frame for a GU10/GU5.3 LED Bulb Cut Ø 72 mm

    3,24 €

    Ref 1638

    Round Tilting Downlight Frame for a GU10/GU5.3 LED Bulb Cut Ø 72 mm

    In Stock, delivery in 9-10 days

    • Height: 22 mm
    • Diameter: Ø81~84 mm
    • Material: Aluminium
  • 7.5W 36º GU5.3 660lm MR16 Master SpotL VLE LED Bulb PHILIPS

    15,85 €

    Ref 95161

    PHILIPS

    7.5W 36º GU5.3 660lm MR16 Master SpotL VLE LED Bulb PHILIPS

    In Stock, 15-20 days shipping

    • Power: 7.5 W
    • Power Factor: 0.7
    • Height: 45.5 mm
    • s

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About GU5.3 LED bulbs

GU5.3 / MR16 LED bulbs, popularly known as "portholes", replace recessed halogen bulbs that are placed in false ceilings, providing you with significant light savings. Consider that a GU5.3 bulb of 400 lm (lumens) is equivalent to a conventional halogen of 35 or 40 W (watts).

In order to give you multiple options, we offer you different models that operate at 12-14 V (volts) or at 220-240 V (volts). You can embellish them with metal rings that can be tiltable, circular or square. At Ledkia we have a wide range of accessories for GU5.3 and MR16 LED bulbs that will help you to achieve a homogeneous lighting to suit your needs.

In fact, we have several options that give you the possibility to select the light temperature between warm, cool or neutral white, as well as the type of technology - SMD LED or COB LED - that best suits your needs.

Similarly, dimmable GU5.3 models with a colour rendering index of over 90 are also available, making them ideal for clothing shops, photographic studios or for the work of professionals such as graphic designers.

In our online catalogue we offer you bulbs of different wattages made of high quality materials that provide a pleasant brightness thanks to different angles of aperture and with intensities that can reach up to 660 lm.

Decorate shop windows, display cabinets, corridors, kitchens, bathrooms, etc. with our GU5.3/MR16 LED bulbs. Create a feeling of spaciousness, elegance and visual comfort thanks to a quality light while saving energy consumption and protecting the environment thanks to CE, RoHS and UKCA certifications.

What does GU5.3 / MR16 mean?

Nomenclature GU5.3 is broken down as follows:

  • GU. Refers to the type of socket. This is a terminal contact used with bulbs that have rear heat emission protection.
  • 5.3. This numbering identifies the pin spacing, which in this case is 5.3 mm (millimetres).

MR16 is a standard nomenclature that stands for multifaceted reflector and refers to the type of connection of the bulb. It is equivalent to GU5.3.

In any case, if you are thinking of changing your conventional halogen bulbs for LED bulbs to save on your electricity bill, bear in mind the type of connectors you have installed, as well as knowing whether you need 12 V or 220 V bulbs.