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The OSRAM T5 22W/840 circular tube is a 16mm circular fluorescent tube with 4-pin 2GX13 base, outer diameter 230mm. It emits 1,900lm of cool white light at 4000K (840), with colour rendering Ra 80.
It is the light source for circular ceiling luminaires, pendants and wall lamps for T5 22W circular tubes, in homes, offices, shops, corridors and common areas. The ring shape distributes light evenly beneath the diffuser.
It has no built-in ballast: it works with the electronic ballast for T5 22W circular tubes already fitted in the luminaire. With a dimmable electronic ballast the light can be dimmed. It replaces T5 22W/840 circular tubes with 2GX13 base from other brands, such as Philips MASTER TL5 Circular. It is not interchangeable with T9 circular tubes with G10q base. The average life is 12,000 hours.
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