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Part Number: 2478

Crompton Lamps Fluorescent 849mm T5 Tube 21W HE High Efficiency Cool White

Part Number: 2478

Crompton Lamps Fluorescent 849mm T5 Tube 21W HE High Efficiency Cool White

Cap Type: T5

T5

Shape: T5 Tube

T5 Tube

Power Consumption: 21W

21W

Colour of Light: Cool White

Cool White

Total Lumens: 1900lm

1900lm

Dimmable: Non-Dimmable

Non-Dimmable

£2.19 inc. VAT

FREE UK Delivery on orders over £50 (Standard delivery, excludes orders of oversized items)

    • Tube Length: 849mm (862mm with pins)
    • Rated Life: 20,000 hours
    • New 2021 Energy Rating: F (A+ Pre-2021)

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Crompton Lamps Fluorescent 849mm T5 Tube 21W HE High Efficiency Cool White

  • Cap type: T5
  • Power Consumption: 21W
  • Colour Output: Cool White
  • Dimensions: Diameter=16mm Length=849mm Tube Length=849mm Tube Length (inc. Pins)=862mm

Slimline high efficacy (HE) fluorescent T5 tube light bulb.

For use with electronic control gear only.

N.B. Listed as a 849mm tube but is actually 863mm INCLUDING the pins.

Fitted with standard G5 2-pin (5mm apart) caps to both ends.

This T5 Tube is a newer product from Crompton Lamps and supersedes their old T5 Tube part codes: F21W/T5/840.

Need more help in choosing a suitable fluorescent tube? Read our guide Choosing Flourescent Tubes and our guide to Flourescent Starters.

Attribute Value
MPN FTT521SPCW
Barcode 5018986674318
Equivalent 21W
Technology Fluorescent
Cap T5
Shape T5 Tube
Colour Cool White
Dimmable Non-Dimmable
Manufacturer Crompton Lamps
Cap Type G5
Voltage 240V
Power Consumption 21W
Dimmability No - Not Suitable for Dimming
Total Lumens 1900lm
Colour Temperature 4000K
Colour Description Cool White
Fluorescent Colour Code 840
Warm Up Time <0.5 seconds (0-60%)
Mercury Content 3mg
Average Rated Life (L50) 20,000 hours
EEI Pre-2021 Energy Rating A+
EEI 2021 Energy Rating F
MPN FTT521SPCW
Diameter 16mm
Length 849mm
Tube Length 849mm
Tube Length (Including Pins) 862mm
Estimated Running Cost £13.03 per year based on 5-hours per day @ Oct 22 Price Cap (34.0p/kWh)