T5 LED TL Buizen 1148 mm, overzichtsfoto

T5 LED Tubes 1148 mm

A 1148 mm T5 LED tube (commonly called 120 cm) replaces the 1149 mm, 28W T5 fluorescent tube found in offices, shops, classrooms and light lines. Our T5 tubes have a G5 cap, use 18W and deliver up to 3,600 lumens. They light up instantly, do not flicker and are available in 3000K, 4000K and 6000K. For a new installation, choose a 120 cm T5 fitting that is pre-wired for this tube.

In stock and ordered before 2 pm on a working day? We ship the same day, with free shipping above your country's threshold. Business customers can buy on invoice with volume pricing; for larger quantities we are happy to prepare a custom quote.


  • T5 LED Tube 1148 mm 18W 140 lm/W

    Replaces 28W | Saves 44% | G5 lamp base | High light output

    In stock
    Regular price €1095 Incl. VAT
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  • T5 LED Tube 1148 mm 18W 170 lm/W

    Replaces 28W | Saves 44% | G5 lamp base | Very high light output

    In stock
    Regular price €1195 Incl. VAT
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  • T5 LED Tube 1148 mm 18W 200 lm/W

    Replaces 28W | Saves 44% | G5 lamp base | Ultra-high light output

    In stock
    Regular price €1695 Incl. VAT
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Which 1148 mm T5 LED tube should you choose?

All tubes have the same length and G5 cap; the difference is how much light you get per watt.

  • 140 lm/W, 2,520 lumens: the affordable replacement with as much light as the fluorescent tube.
  • 170 lm/W, 3,060 lumens: more light for the same consumption, for offices, shops and corridors.
  • 200 lm/W, 3,600 lumens: the highest efficiency, for spaces where the lights are on all day.

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Frequently asked questions about 1148 mm T5 LED tubes

Will this LED tube fit my T5 fitting?

Yes, if the fitting has G5 lampholders and is made for 1149 mm tubes. A T5 fitting always uses an electronic ballast and has no starter. That ballast must be taken out of the circuit: connect live and neutral to the lampholder at one end and fit the tube with its marked supply end there. LED tube installation guide

Which T5 fluorescent tube does it replace?

The 1149 mm, 28W T5 fluorescent tube. Together with its ballast it uses more than its rated wattage; the 18W LED tube needs no ballast, so you save up to around 40 percent.

Is there a fitting for this tube?

Yes. The 120 cm T5 fitting is pre-wired for this single-end powered tube. Thanks to its slim profile it fits under kitchen cabinets, above a workbench and in cupboards or display cases.

Is the tube dimmable?

No. Do not connect the tube to a dimmer or a dimmable ballast.

What is the difference between T5 and T8?

T5 is thinner with a G5 cap and small pins; T8 is 26 mm thick with a G13 cap. The lengths differ too, so they are not interchangeable. The T8 equivalent of this length is 120 cm.

How long does a T5 LED tube last?

They are designed for 50,000 operating hours, more than 13 years at 10 hours a day. A standard T5 fluorescent tube lasts around 20,000 hours. All tubes come with a 5-year warranty.

Do you supply for projects?

Yes. Volume pricing applies to larger quantities and business customers can buy on invoice. Request a quote and we will be happy to work out the numbers with you.

Other T5 lengths: 548 mm and 1448 mm, or browse all T5 LED tubes.

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