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Part Number: 5507

Crompton Lamps CFL 2D 28W 4-Pin Dimmable Cool White Frosted

Part Number: 5507

Crompton Lamps CFL 2D 28W 4-Pin Dimmable Cool White Frosted

Cap Type: GR10q


Shape: 2D


Power Consumption: 28W


Colour of Light: Cool White

Cool White

Total Lumens: 2050lm


Dimmable: Dimmable


£4.21 inc. VAT

FREE UK Delivery on orders over £50 (Standard delivery)

    • Glass Type: Frosted
    • Rated Life: 10,000 hours
    • New 2021 Energy Rating: G (A Pre-2021)

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Crompton Lamps CFL 2D 28W 4-Pin Dimmable Cool White Frosted

  • Cap type: GR10q
  • Power Consumption: 28W
  • Colour Output: Cool White
  • Dimensions: Width=195mm Depth=33mm Length=200mm

An energy saving 28W compact fluorescent CFL 2D lamp, which is commonly found in low profile luminaires such as those in corridors, stairwells or bathrooms.

This compact fluorescent CFL 28W 2D Double DD light bulb emits a bright 2050 lumens of cool white 4000K light. Its long 10,000 hour life means that once the light bulb is installed, it will be years before it needs replacing again with a lifespan of up to 5 years. It can be used outdoors when installed in a suitable IP65 rated light fitting.

Suitable for dimming - separate ballast/control gear required. Suitable for use in emergency luminaires.

Fitted with a GR10q 4-pin square push fit base.

Need more help in choosing a suitable light bulb? Read our guide Choosing Compact Fluorescent Lamps

Here at Lightbulbs Direct, we want you to be able to buy with confidence both in ourselves and the products we sell. With this in mind, a number of our bulbs carry a specific warranty that ensures you can do exactly that.

Any Energy Saving Compact Fluorescent light bulb bought from Lightbulbs Direct carries a 12-month warranty.

If you should purchase an energy saving compact fluorescent light bulb from Lightbulbs Direct and have it fail, break or develop a fault at any point within the timelines stated above from the date of purchase, we will happily replace the item or offer a full refund, depending on your wishes.

In instances where large numbers of bulbs fail within a relatively short period of time, we may ask you to return them to us so that they can undergo testing to identify any potential issues.

What doesn't our warranty cover?

In any instance where your bulb has developed a fault, we will do our utmost to replace it or offer a full refund (provided the item is still within its stated warranty period). However, if it becomes apparent that the product has been misused, tampered with or modified in any way, we will view this as having voided its warranty.

'Misuse" includes, but is not limited to, incorrect operation by the user, use of non-dimmable bulbs on a dimmable circuit or connection to or operation with an unsuitable power supply. 'Tampering' or 'modification' can be interpreted as any activity designed to alter the product in such a way that it can be used in a manner that wasn't intended by its original design. This can include rewiring, removing plugs, home repairs or changing components. Unfortunately, we won't be able to replace any item that has undergone any such process.

Manufacturers Warranty

This product is covered by a manufacturer's warranty for a period of 2 years from date of purchase. Please visit the manufacturer's website for further details.

If you have any further questions about our Warranty or Returns Policy that aren't addressed on this page, please feel free to contact us.

Attribute Value
Barcode 5055579302753
Technology CFL
Cap GR10q
Shape 2D
Colour Cool White
Manufacturer Crompton Lamps
Cap Type GR10q
Voltage 240V
Power Consumption 28W
Dimmability Yes - On Correct Gear Only
Total Lumens 2050lm
Colour Temperature 4000K
Colour Description Cool White
Colour Rendering RA >82
Fluorescent Colour Code 840
Glass Type Frosted
Warm Up Time 10 seconds (0-60%)
Mercury Content 5mg
Average Rated Life (L50) 10,000 hours
Switching Cycles 5,000
Lumen Maintenance Factor 0.76
Energy Saver Yes
EEI Pre-2021 Energy Rating A
EEI 2021 Energy Rating G
Width 195mm
Depth 33mm
Length 200mm
Estimated Running Cost £17.37 per year based on 5-hours per day @ Oct 22 Price Cap (34.0p/kWh)