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LED dimmer ABB 2250U, inside parts only (Jussi/Impressivo), max.400W loading

LED dimmer ABB 2250U, inside parts only (Jussi/Impressivo), max.400W

temporarily out of stock
SKU#: ABB2250U

ABB Impressivo or Jussi series fittings for dimming our beautifully flush-mounted luminaires. Withstand loads from 60-600W. NOTE! Frames and knobs ordered separately!

€ 79.96
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  • ABB Impressivo or Jussi series fittings for dimming our beautifully flush-mounted luminaires. Withstand loads from 60-600W.

    NOTE! Frames and knobs ordered separately!

    Regulator for 230V incandescent and halogen lamps 60-600W. Also works with LED lamps. With push button switch and rotary dimmer (knob and frames ordered separately).

    Rated voltage: 230V/50Hz. Fuse T3,15A/250V. Suitable centre plates 6540-81-101, 6540-84-101 or 6540-85-101

    Electricity number: 3512714

    Installation considerations

    The dimmer becomes hot when operated, as part of the power input is converted into heat as power loss. The rated power is rated for installation in a solid stone wall.

    When the appliance is installed in a gas concrete, wood or plasterboard wall, the maximum connected load must be reduced by at least 20 %. The connected load shall always be reduced where several dimmers are installed together or where other heat sources lead to overheating. In heavily heated rooms, the maximum connected load shall be reduced. At an ambient temperature of 50 °C, the permissible output is reduced to 57%; at 60 °C, to 28%. A corresponding reduction in the connected load is necessary, otherwise there is a risk of destruction due to overheating!

    Depending on their type of construction, all devices must be installed in a box for installation under plaster in accordance with DIN.xxx, in a suitable housing for installation over plaster or in a 35 mm standard rail.

    The basic luminous intensity of the dimmer switch can be adjusted by turning the circuit breaker on the front of the device.

    When installing, please note that transformers, depending on their quality and model, may generate a whirring noise when used with dimmer switches.

ABB Impressivo or Jussi series fittings for dimming our beautifully flush-mounted luminaires. Withstand loads from 60-600W.

NOTE! Frames and knobs ordered separately!

Regulator for 230V incandescent and halogen lamps 60-600W. Also works with LED lamps. With push button switch and rotary dimmer (knob and frames ordered separately).

Rated voltage: 230V/50Hz. Fuse T3,15A/250V. Suitable centre plates 6540-81-101, 6540-84-101 or 6540-85-101

Electricity number: 3512714

Installation considerations

The dimmer becomes hot when operated, as part of the power input is converted into heat as power loss. The rated power is rated for installation in a solid stone wall.

When the appliance is installed in a gas concrete, wood or plasterboard wall, the maximum connected load must be reduced by at least 20 %. The connected load shall always be reduced where several dimmers are installed together or where other heat sources lead to overheating. In heavily heated rooms, the maximum connected load shall be reduced. At an ambient temperature of 50 °C, the permissible output is reduced to 57%; at 60 °C, to 28%. A corresponding reduction in the connected load is necessary, otherwise there is a risk of destruction due to overheating!

Depending on their type of construction, all devices must be installed in a box for installation under plaster in accordance with DIN.xxx, in a suitable housing for installation over plaster or in a 35 mm standard rail.

The basic luminous intensity of the dimmer switch can be adjusted by turning the circuit breaker on the front of the device.

When installing, please note that transformers, depending on their quality and model, may generate a whirring noise when used with dimmer switches.

  • Delivery status In Stock
  • Brand Ledstore
  • Breadcrumbs Home Led Lights LED dimmer ABB 2250U, inside parts only (Jussi/Impressivo), max.400W
  • Category Led Lights
  • SKU ABB2250U
  • Change max 600W, min. working load 9W!
  • Wattage 400
  • IP class IP21
  • Guarantee (year) 1 year
  • Approval CE, RoHSTUV
  • Designed in Finland No
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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?

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