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Dimmable 230 V recessed LED spotlights are suitable for a wide range of renovation projects: as discreet ceiling lighting in the hallway, task lighting in the kitchen or splash-proof lighting in the bathroom. At first glance, similar models often appear to differ only in shape and colour. However, technical details such as cut-out diameter, installation depth, IP rating, luminous flux and dimmer compatibility are what really matter.
If you choose based solely on wattage or a low price, you risk ending up with an unsuitable ceiling cut-out, flickering light or a fitting that is not suitable for the intended damp area.
A recessed LED spotlight may have an outer diameter of 85 mm but require a cut-out of 67 to 75 mm. Another model with a diameter of 175 mm may require a ceiling cut-out of 145 to 160 mm. These measurements are not interchangeable.
You should therefore measure the existing cut-out before buying. For a new installation, cut-out diameter, installation depth and available installation height should all be included in the planning.
With dimmable recessed spotlights, the dimmer being used must be compatible with the LED electronics. According to the product details, the models listed are designed for suitable trailing-edge dimmers. An older dimmer designed for halogen lamps, on the other hand, may cause flickering, buzzing or a limited dimming range.
Also check whether the product is actually dimmable. Some ultra-flat 6 or 9 watt LED spotlights are explicitly not dimmable, even though they otherwise look similar.
An IP44 recessed LED spotlight is protected against solid foreign objects measuring 1 mm or more and against splashing water from various directions. According to the product details, this makes it suitable for certain damp indoor areas such as bathrooms or kitchens. Direct jets of water and immersion are not covered.
An IP65 recessed LED spotlight also offers complete protection against dust and is protected against water jets from any angle. However, the specific position in the bathroom, such as directly in the shower area, must still be checked against the applicable installation zones and the fitting instructions.
230 V LED ceiling spotlights and many LED recessed spotlights marked 220–240 V AC can be connected directly to the mains. According to the description, these models do not require an additional transformer. This simplifies planning, but does not replace professional electrical installation.
A 12–24 V spotlight is a different product category. It requires a suitable transformer, which is not included with the 4-watt model mentioned. A direct connection to 230 V would not be permitted in this case.
Wattage indicates energy consumption, not brightness alone. For comparison purposes, luminous flux in lumens is more meaningful:
The number actually required depends on the room size, ceiling height, beam angle, wall colours and desired illumination level.
A 3CCT LED spotlight allows you to choose between three colour temperatures. Typical settings are:
The switch on the products listed is located on the light fitting itself. The desired setting should therefore be selected before the fitting is installed permanently wherever possible. If you want to retain flexibility, also look for accessible installation and clear instructions.
Flat recessed LED spotlights with an installation depth of around 25.5 to 34 mm are worth considering for ceilings with limited cavity space. Even so, there must be sufficient room for connection cables, terminals and heat dissipation. Aluminium housings can support heat dissipation, while models made from flame-retardant PBT and polycarbonate focus on different material properties.
The service life of approximately 25,000 to 30,000 hours stated by the supplier is a product specification and depends, among other things, on operating time, ambient temperature and professional installation.
Why this product suits this profile: This pack of 6 combines a 230 V direct connection, three colour temperatures and dimmability for several rooms or a complete ceiling lighting plan.
The product details clearly specify a 90–100 mm cut-out, a depth of 34 mm and the required type of dimmer. This makes it easier to prepare for installation.
10 W, 1050 lm per fitting, selectable 3000/4000/6500 K and IP44 according to the product description.
Why this product suits this profile: This model offers a compact design, IP65 protection and a selectable colour temperature for bathrooms, kitchens or covered outdoor areas.
The IP65 rating prevents the protection level from being advertised vaguely as simply “waterproof”. The 67–75 mm cut-out and 29 mm depth are also specified.
600 lm, 230 V connection, 10–100% dimming range according to the product details and six fittings per pack.
Why this product suits this profile: The larger fittings are ideal for rooms where each light point needs a higher luminous flux and a wide beam angle.
The product description points out the required 145–160 mm cut-out and the suitability of IP44 for splash protection. This helps ensure that the installation dimensions and protection rating are not overlooked.
1200 lm, 120° beam angle, 32 mm fitting height and 3000/4000/6500 K according to the product data.
Why this product suits this profile: With a stated installation depth of 25.5 mm, this set is designed for shallow cavities and low-profile ceiling constructions.
The product details explicitly state that this model is not dimmable. This avoids a common mistake when searching for dimmable recessed spotlights.
25.5 mm installation depth, 95–110 mm cut-out, 430 lm and 6500 K according to the product description.
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 any installation, the relevant circuit must be switched off at the fuse box and secured against being switched on again. For a direct 230 V connection, the work should be carried out by a suitably qualified electrician. Also check the following:
IP44 models should not be cleaned with a jet of water. In most cases, a soft, dry cloth is sufficient for care, unless the relevant instructions specify otherwise.
No. Check whether the manufacturer specifies a suitable trailing-edge dimmer or another particular type of dimmer. If you are unsure, a qualified electrician should check the dimmer, light fitting and connection method.
This depends on the luminous flux per spotlight, the size of the room, the beam angle and how the space will be used. A pack of 6 can be practical for uniform general lighting. For a kitchen or work area, you should also check whether the brightness is sufficient on the relevant surface.
Not automatically. IP44 protects against splashing water, but does not protect against permanently directed jets of water or immersion. The installation zone, the exact fitting location and the requirements in the installation instructions are the deciding factors.