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Astro Trimless Low Voltage Fire Rated Downlight

Item code: 28431


These Astro Trimless Low Voltage Fire Rated Downlights in white are designed to be plastered over for a seamless, trim-free finish and perfectly flush alignment with the ceiling.

  • White finish with glass diffuser
  • Fire rated. Complies with current building regulations
  • IP65 rated, suitable for use in bathrooms zone 1
  • Low voltage transformer required, sold separately. Mains voltage option also available
  • Requires max 50W low voltage spotlight, sold separately
  • Size: Dia 75mm. Cut-out 86mm
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Expected Delivery Date
Next working day
Order by 4:45pm Monday 15th for delivery on Tuesday 16th February

More Info

Code Unit Price ex.VAT Stock Qty Buy
£42.93 ex.VAT
In Stock

Astro Trimless Low Voltage Fire Rated Downlight


For the ultimate in unobtrusive lighting, the Astro Trimless Low Voltage Fire Rated Downlights provide a ready answer. Designed to be plastered over for a perfectly seamless, trimless finish, this Class III fitting carries an IP65 rating that makes it particularly suitable for installation in zones 1-3 of a bathroom.

The Astro Trimless Low Voltage Fire Rated Downlight sports a white finish and with its glass diffuser emits an even spread of light. These 12V lights require a low-voltage transformer (sold separately), and are alternatively available as a mains voltage option. With this LV version the transformer remains accessible even after installation of the light.

Fire rated for 90 minutes, this light is designed to preserve the integrity of a ceiling in the event of a fire. It complies with the British Standards BS 476 Part 21 test for fire resistance (load bearing elements), as well as complying with the following building regulations: Part B - Fire Safety, Part C - Moisture Protection, Part E - Acoustic Rating.


For added peace of mind the Trimless Low Voltage Fire Rated Downlights come with a generous 3-year guarantee.

Bulb requirements

These high-quality downlights accommodate a 50 watt low-voltage MR16 halogen lamp (available separately) with GU5.3 bi-pin base. An LED equivalent can also be fitted.


The dimensions of the Trimless Low Voltage Fire Rated Downlights are:

  • Diameter: 75mm
  • Cut-out 86mm


Additional Information

Supplier Code 5623
EAN 5038856056235
Brand Astro
Guarantee 3 Years
Width/Dia 75mm
Cutout 86mm
Type Ceiling Light
Format Fixed Downlight
Technology Universal
Style Contemporary
Suggested Room Bathroom, Hallway, Kitchen, Office
IP Rating IP65
Max Wattage 50W
Voltage 12V
Fitting Finish White
Features Class III SELV, Fire Rated, Low Voltage
No. of Bulbs 1
Bulb Included No
Replacement Bulb 50W Low Voltage Spotlight

Delivery Information

  • FREE: When you spend over £80.00 (ex. VAT)
  • £2.99: When you spend up to £79.99 (ex. VAT)
  • Special Delivery Surcharges
    • + £10.00 (ex. VAT): Next Day Before Noon
    • + £15.00 (ex. VAT): Saturday Morning
  • Zone 1 - UK Mainland (except selected Scottish Postcodes)
  • Next Working Day*
  • Zone 2 - Northern Ireland, Isle of Man & selected Scottish Postcodes
  • 2 -3 Working Day*
  • Zone 3 - Channel Islands, Republic of Ireland and Scilly Isles
  • 3 - 4 Working Day*
* Some products are not available for immediate dispatch. See product page for details.
Read more about our delivery service, zones and special rates
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