GU4 (MR11) LED Bulbs
GU4 LED spots have an MR11 shape and operate at 12 volts. Therefore, they can not be connected directly to the mains and require a transformer. The GU4 LED spot is usually used as accent lighting in small fixtures, since it is a very compact spot. As a result, it is traditionally used in hospitality and residential applications. Replacing the halogen spot is easy with its bi-pin socket and no changes have to be made to the fixture. In comparison to old halogen spots, LED GU4 lamps have a lower power consumption combined with a longer lifetime (10 years). This means you do not have to replace the bulb annually.
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The colour code is a combination of colour rendering (CRI) and light colour (Kelvin). The first number indicates the colour rendering (1 = very poor colour rendering, 9 = maximum colour fastness). The second and third number contains the light colour. Example: the colour code 830 consists of good colour rendering (8) and warm white light (3000K).
Every bulb or fixture has an energy efficiency class A to G. Energy label A is the most efficient and G the least. LED lighting is the most sustainable lighting technique. Even if a LED bulb is rated E or lower, they still save 70% of energy compared to conventional lighting with the same energy label. Why is it the same label then? To motivate LED brands to get even more durable.Too much choice?
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GU4 LED spots have an MR11 shape and operate at 12 volts. Therefore, they can not be connected directly to the mains and require a transformer. The GU4 LED spot is usually used as accent lighting in small fixtures, since it is a very compact spot. As a result, it is traditionally used in hospitality and residential applications. Replacing the halogen spot is easy with its bi-pin socket and no changes have to be made to the fixture. In comparison to old halogen spots, LED GU4 lamps have a lower power consumption combined with a longer lifetime (10 years). This means you do not have to replace the bulb annually.
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