Replacement bulbs Spot bulbs Low voltage MR11 Bulbs 5w MR11 for fibre optics (12v)

5w MR11 for fibre optics (12v)


This is product manufacturers code 641131010 by Schiefer. If you need to contact us about this product, please quote our product reference of 13999.

This is a 12v 5w MR11 spot lamp. The MR11 fitting has two straight pins that push into the lamp holder. It is also known as GU4 because the pins are 4mm apart.

This lamp has been specifically designed for use with fibre optics. It has an open front, without the usual glass cover. Because the lamp is open-fronted it is possible to touch the halogen capsule in side. You should avoid this as the natural oils in your skin can considerably reduce the lifespan of the bulb.

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Quantity discounts

QuantityPrice each
1+ £2.26

Product variations


Our product ref
Bulb type
Total wattage
Lamp cap
MR11 / GU4

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5w MR11 12v halogen spot bulb, designed for use fibre optic applications such as Christmas decorations. It has an open front, without the usual glass cover. These MR11 lamps are full compatible with normal dimmer switches with an appropriate transformer. The small Size of MR11 bulbs means they are often used in small decorative fittings. MR11 bulbs are also known as GU4 bulbs.