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LED recessed spotlights save space, use energy efficiently and are suitable for many types of ceiling. However, not every model fits every installation situation. Inaccurate specifications often lead to unnecessary reworking, flickering light or an unsuitable IP rating.
The visible light fitting may, for example, have a diameter of 113 or 145 millimetres, while the required ceiling cut-out may be smaller or larger. The key measurement is always the specified cut-out diameter, not just the outer diameter.
Installation depth is also important for low ceilings or suspended constructions. Slim LED recessed spotlights measuring around 25 to 34 millimetres deep may fit better than models with a larger rear housing. Before buying, measure the existing cut-out and the available cavity.
The IP rating describes the level of protection. IP44 protects against solid foreign objects measuring 1 millimetre or more, as well as splashing water from all directions. This may be suitable for certain areas of a bathroom, kitchens or covered balconies. Direct jets of water or complete immersion are not covered.
IP65 also provides protection against dust and water jets. Nevertheless, the installation conditions, mounting location and applicable installation regulations remain crucial. Smart models with IP20 are intended exclusively for dry indoor areas and must not be installed in damp rooms.
Not every LED spotlight is compatible with every dimmer. With dimmable LED recessed spotlights, check whether a compatible leading-edge or trailing-edge dimmer is required. Some smart models can only be dimmed via an app or gateway, rather than with a conventional wall dimmer.
A 3CCT function lets you choose between several colour temperatures, such as 3000 K warm white, 4000 K neutral white and 6500 K cool white. With many light fittings, the setting is selected before installation using a switch on the housing. This is practical, but it is not the same as being able to adjust the colour temperature at any time via an app.
230 V LED recessed spotlights are connected directly to the German AC mains. The relevant models do not require a separate power supply. Mains-voltage installation must only be carried out by a qualified electrician or an appropriately authorised person in accordance with the applicable regulations.
12–24 V LED spotlights are suitable for motorhomes, caravans, boats and some furniture installations. The available DC or AC voltage must match the light fitting. Some models require an additional transformer when operated at 12 V AC. A 12–24 V model must not be connected directly to 230 V.
Wattage describes power consumption, not brightness directly. Luminous flux is measured in lumens. A 10 W model with 1050 lumens therefore produces a different amount of light from a 6 W model with 430 lumens.
A beam angle of, for example, 120 degrees distributes light relatively widely. This can be useful for general lighting in hallways, living rooms or bedrooms. Other optics are more suitable for targeted accent lighting. The number of light fittings and the distance between them also affect the illumination.
Aluminium can dissipate heat from the LED module, while plastic housings are often lighter. Regardless of the material, the light fitting must not be covered with insulation if the manufacturer prohibits this. Regularly wiping the visible surface carefully with a dry cloth helps prevent dust deposits.
Why this product suits this profile: This set is aimed at anyone renovating several ceiling openings and wanting a consistent look throughout. The required cut-out is 90–100 mm, while the installation depth is 34 mm.
The cut-out size, voltage and dimmability are clearly specified. The three colour temperatures are selected using a switch on the light fitting housing.
1050 lm per light fitting, 220–240 V AC, 3CCT and a pack of 6 for several rooms or a larger area.
Why this product suits this profile: The light fittings feature an aluminium-polycarbonate housing, an installation depth of 29 mm and a required cut-out of 67–75 mm.
The IP65 rating is clearly stated. The product also specifies direct 230 V connection and compatibility with suitable trailing-edge dimmers.
IP65, a 10–100% dimming range according to the product information, 3CCT and six 7 W light fittings.
Why this product suits this profile: These light fittings are designed for 12–24 V DC, making them suitable for motorhomes, caravans, boats or other low-voltage installations.
The voltage is clearly specified as 12–24 V DC. A separate transformer is required for 12 V AC in residential applications.
Compact 29 mm overall height, 55–68 mm cut-out size, 3CCT selection and IP44 for suitable indoor areas.
Why this product suits this profile: This Bluetooth Mesh ceiling spotlight offers app and gateway control, dimmable settings, a colour temperature range from 2700 to 6500 K and RGB colours.
The light fitting is expressly rated IP20 for dry indoor areas and is not intended for bathrooms. According to the product information, it is not compatible with an external wall dimmer.
780 lm, 120-degree beam angle, Bluetooth Mesh and a cut-out size of 120–130 mm.
We have put together a complete, regularly updated list of products that fully meet these strict selection criteria and the safety regulations applicable in the EU.
Before working on 230 V wiring, switch off the fuse and verify that the circuit is not live. Installation should be carried out in accordance with the applicable electrical regulations. Also check the following:
Bathrooms are subject to additional protection zones. The exact position of the light fitting should therefore be agreed with a qualified electrician.
Consumption corresponds to the specified wattage. A pack of 6 light fittings rated at 10 W each requires a total of 60 W at full power. When dimmed, actual power consumption may be lower, depending on the light fitting and dimmer. For ongoing consumption, multiply the wattage per light fitting by the daily operating time.
The products listed are specified as having an average lifespan of 25,000 to 30,000 operating hours, depending on the model. This is a manufacturer’s figure and depends, among other things, on ambient temperature, switching cycles, adequate ventilation and correct installation. The entire recessed module may need to be replaced if the LED module is permanently integrated.
Models with IP44 or, depending on the installation location, IP65 may be suitable for appropriate areas. IP20 light fittings are intended for dry indoor areas. The IP rating alone does not replace an assessment of the installation zone. Also check the installation depth, cut-out size and compatibility with your preferred dimmer.