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Part Number:


Crompton Lamps LED 849mm T5 Tube 12W Retrofit Cool White Opal

Part Number: 8857

Crompton Lamps LED 849mm T5 Tube 12W Retrofit Cool White Opal

Cap Type: T5


Shape: T5 Tube

T5 Tube

Power Consumption: 12W


Colour of Light: Cool White

Cool White

Total Lumens: 1100lm


Dimmable: Non-Dimmable


£9.95 inc. VAT

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

  • LED T5 Retrofit for existing fluorescent fittings
  • Tube Length: 849mm (863mm with pins)
  • Rated Life: 40,000 hours
  • New 2021 Energy Rating: F (A+ Pre-2021)

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Crompton Lamps LED 849mm T5 Tube 12W Retrofit Cool White Opal

  • Cap type: T5
  • Power Consumption: 12W
  • Equivalent: 21W Fluorescent T5
  • Colour Output: Cool White
  • Dimensions: Diameter=16mm Tube Length=849mm Tube Length (inc. Pins)=863mm

Upgrade your lighting with the Crompton Lamps T5 Tube light bulb, designed for superior efficiency and ease of installation.

This 849mm T5 LED tube light replaces traditional 21W fluorescent tubes, offering significant energy savings with only 12W of power consumption. Enjoy cool white illumination (4000K) that's perfect for any indoor setting.

This T5 LED tube is highly energy efficient, reducing your power costs significantly. It offers an easy retrofit solution with no rewiring needed, making installation a breeze. Just replace your power-hungry 21W fluorescent tube with this 12W LED equivalent, and you can start enjoying significantly lower lighting costs right away.

With a long lifespan of 40,000 hours, it reduces maintenance frequency and provides instant full brightness for immediate clarity.

The tube measures 849mm in length (863mm with pins) and has a power consumption of 12W. It produces 1100 lumens and emits a cool white light at a colour temperature of 4000K. With a diameter of 16mm, it fits easily into existing luminaires using a G5 lamp cap/base. It is non-dimmable, ensuring consistent light output.

Designed as an LED T5 retrofit for existing fluorescent fittings, this tube features a full glass construction with an external diffused sleeve for uniform light distribution. It boasts a high colour rendering index (RA >82) and can handle up to 15,000 switching cycles. Backed by a 5-year manufacturer's warranty, it ensures reliable and long-lasting performance.

Switch to the Crompton Lamps T5 Tube light bulb today for a brighter, more efficient lighting solution that you can rely on.

Crompton Lamps LED T5 full glass tubes cannot be wired direct to mains as the tube design requires a compatible ballast to operate. Please check with the manufacturers website if this tube is compatible with your fitting's ballast prior to purchase. The performance of this lamp is determined by the fitting to which it is installed.

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 LED or LED Smart light bulb bought from Lightbulbs Direct carries a 24-month warranty.

If you should purchase an LED light bulb from Lightbulbs Direct and have it fail, break or develop a fault at any point within the timeline 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.

Manufacturers Warranty

This product is also covered by a manufacturer's warranty for a period of 5 years from date of purchase. Please visit the manufacturer's website for further details.

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.

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
MPN 5587
Barcode 5055579305587
Equivalent 21W
Technology LED
Cap T5
Shape T5 Tube
Colour Cool White
Manufacturer Crompton Lamps
Cap Type G5
Voltage 240V
Power Consumption 12W
Dimmability No - Not Suitable for Dimming
Total Lumens 1100lm
Equivalent Wattage 21W Fluorescent T5
Colour Temperature 4000K
Colour Description Cool White
Colour Rendering RA >82
Fluorescent Colour Code 840
Glass Type Opal
Material Glass
Warm Up Time <0.5 seconds (0-60%)
Mercury Content 0mg
Average Rated Life (L50) 40,000 hours
Switching Cycles 15,000
Energy Saver Yes
EEI Energy Rating A+
Diameter 16mm
Tube Length 849mm
Tube Length (Including Pins) 863mm
Estimated Running Cost £6.35 per year based on 5-hours per day @ Jan 24 Price Cap (29.0p/kWh)
Estimated Running Cost Saving £4.76 per year based on 5-hours per day @ Jan 24 Price Cap (29.0p/kWh)