RADIUS 7931 is a four-light pendant in black painted steel. A rigid rod runs down from the round ceiling rose, and four arms of different lengths branch off it, each ending in an upward-facing E27 lampholder. There is no shade: the bulb is a visible part of the composition.
How much room it needs and how low it hangs
The arms span 77,5 cm — compare that with the width of the surface the fitting is to hang over. Vertically it also measures 77,5 cm, and that height is what two rods give. Fit only one and the height drops to 45,5 cm, so the same model suits a room with a lower ceiling.
Changing the number of rods is reserved by the manufacturer for a qualified electrician — it is not an adjustment made while hanging the light. Over a dining table, pick the version that puts the bulbs 70–80 cm above the table top. The ceiling rose is 9 cm across and 3,5 cm deep.
Bulbs and the wattage allowed
The fitting has four E27 lampholders and the bulbs are replaceable, but none are supplied — you choose the colour and brightness yourself. The manufacturer permits LED lamps only, up to 25 W per holder; an ordinary halogen or incandescent bulb is not provided for here, even though the thread would fit.
Because the holders are exposed and face upwards, the whole shape of the bulb is on show. Large globes and decorative lamps suit this frame; with high-output bulbs, bear in mind that nothing screens them from anyone sitting underneath.
Mounting and supply
RADIUS 7931 mounts directly to the ceiling — there is no cable or chain, and the rose covers the installation box. It runs on 220–230 V at 50/60 Hz with no separate driver.
It is a protection class I luminaire, so an earth conductor has to be present at the connection point. IP20 and the indoor use stated by the manufacturer limit it to dry rooms — above a bath, in a shower enclosure or outdoors it is not suitable.
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