OSRAM LUMILUX T8 18 W/840 G13 590 mm fluorescent tube — 1,350 lm

€9.90

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Fluorescent tube OSRAM LUMILUX T8 18 W/840 — 1,350 lm, cool white 4,000 K, Ra ≥ 80, G13 cap, length 590 mm (Ø 26 mm), life ≈20,000 h.

T8G1318 W/840590 mm4 000 K1,350 lm

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The minimum purchase order quantity for the product is 25.

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Description
Product Details

The OSRAM LUMILUX T8 18 W/840 is a T8 fluorescent tube, 590 mm long (Ø 26 mm), with a G13 cap. It delivers 1,350 lumens of cool white light at 4,000 K, with Ra ≥ 80 colour rendering — the benchmark for commercial installations where colours must stay true.

Operation: Magnetic ballast (with starter) or electronic HF ballast. A rated life of about 20,000 hours and excellent lumen maintenance keep maintenance visits down — which matters when the fitting sits high up or in a technical ceiling.

Direct equivalents at the same wattage and colour code: PHILIPS MASTER TL-D Super 80 18W/840, SYLVANIA Luxline Plus F18W/840, GE Polylux XL F18W/840. A tube is chosen on three inseparable criteria — length (590 mm), cap (G13) and ballast type: a tube of the same wattage but a different diameter will not fit the luminaire.

Technical specifications

Brand	OSRAM
Type	T8 fluorescent tube (Ø 26 mm)
Base	G13
Power	18 W
Dimensions	590 × Ø 26 mm
Luminous flux	1,350 lm
Colour temperature	4 000 K (cool white)
Colour rendering (CRI)	Ra ≥ 80
Lifespan	≈20,000 h
Ballast	Magnetic ballast (with starter) or electronic HF ballast
PHILIPS equivalent	PHILIPS MASTER TL-D Super 80 18W/840
SYLVANIA equivalent	SYLVANIA Luxline Plus F18W/840

Key benefits

✓1,350 lm at cool white 4,000 K — Ra ≥ 80, true colours

✓≈20,000 h life with good lumen maintenance

✓G13 cap, 590 mm — like-for-like replacement

✓Magnetic ballast (with starter) or electronic HF ballast

Ideal for

Offices and open spacesSchools and classroomsRetail and large storesDownlights and ceiling lightsCorridors and washrooms

Frequently asked questions

Which ballast do I need?

Magnetic ballast (with starter) or electronic HF ballast Check the control gear in your fitting before ordering: it is the gear, not the tube, that dictates the type of operation.

Can I replace a T8 with a T5 (or the other way round)?

Not directly. T8 is Ø 26 mm with a G13 cap, T5 is Ø 16 mm with a G5 cap, and their lengths differ: they do not fit the same lampholders. T5 also requires an electronic ballast. Switching between them needs an adapter or a new luminaire.

What does the 840 code mean?

The first digit (8) indicates colour rendering of 80 to 89 — here Ra ≥ 80. The next two give the colour temperature: 840 = 4,000 K (cool white).

How is it recycled?

Like all fluorescent tubes it contains a small amount of mercury: take it to a WEEE collection point (recycling centre or store), never put it in household waste, and carry it without breaking it.