24V dimmable LED DRIVER 20W, TRIAC, for LED strip, IP20
Dimmable 20W TRIAC transformer for 24V led products such as ribbons. A front dimmable transformer suitable for applications such as rotary wall dimmers. Suitable for dry areas (IP20).
Dimmable TRIAC transformer for 24V led products such as ribbons. A front dimmable transformer suitable for applications such as rotary wall dimmers. Suitable for dry areas (IP20). The wires are connected to the transformer with screw connectors.
TRIAC dimming (both leading edge and trailing edge).
The transformer is mainly used with 24V LED strips. Can be used for example:
- max. 1,2m 14,4W/m led strip
Input: 200-240V ~ 0.14A 50/60Hz
Output: 24V --- 0.83A 20W max. 25V
Size:
Length 145 mm
Width 53 mm
Height 19 mm
CE, RoHS, SELV, IP20
- Delivery status In Stock
- Brand Ledstore
- Breadcrumbs Home LED accessoriesLED strip driver 24V dimmable LED DRIVER 20W, TRIAC, for LED strip, IP20
- Category LED strip driver
- SKU 24V-20W-triac
- Wattage 1.71
- Model 20W triac 24V IP20
- Size 145*53*19mm
- Length of the package 15.9
- Height of the package 2.0
- Width of the package 5.8
- Approval CE, RoHS, IP20, SELV
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WHAT IS CRI, THE COLOUR RENDERING INDEX
High quality LED lights also have a high colour rendering index, or CRI. A good colour rendering index (CRI) for home use is above 90, and nowadays many market lights are unfortunately closer to 80.
CRI tells you how well an LED light displays colours as they should be. For designers and architects, as well as interior designers, it should be one of the most important considerations. Make sure the lighting is perfect so that your artwork is what it is meant to be.
Colour rendering index
The colour rendering index is expressed as a number on a scale from zero to 100, where 0 = no colour rendering and 100 = full colour rendering. The colour rendering index of LED lights is also known as Ra, which is measured on a smaller scale than CRI. This Ra value does not include red tones or skin tones, for example, so it is a 'glossed' figure for the true quality of an LED light.
RA value
The Ra value measures the reproduction of colours using eight different reference colours. CRI takes into account the wider (15) wavelength range, including reds and other warm colours.
The Ra value is calculated by cutting the wavelength range, weighting the blue and violet tones, and calculating the weighted average of R numbers 1-8.
Excluded from the Ra value are, for example, the colour rendering of bright reds, yellows and greens, and shades close to skin tone. These are described by R-values between 9 and 15. The following is a picture of a measurement result that easily confuses the consumer.
This measurement is from a 9W CCT Led spot
Read more on this topic:
Colour rendering of LEDs - What is the difference between CRI and Ra-value?