The Crompton Lamps T9 Circular Fluorescent Tube is a 40W triphosphor tube designed for decorative ...The Crompton Lamps T9 Circular Fluorescent Tube is a 40W triphosphor tube designed for decorative luminaires. It offers excellent energy efficiency and value for money, providing a crisp 4000K cool white output with consistent, flicker-free brightness. Measuring 400mm in diameter with a 29mm tube thickness, these bulbs are perfect for magnifiers, inspection lamps, and circular ceiling fittings. The GR10q 4-pin base allows for quick and secure installation, making it a hassle-free replacement for existing 4-pin fluorescent tubes, commonly used as 4-pin bathroom light bulbs. With an impressive lifespan of up to 10,000 hours, these tube lights reduce the need for frequent replacements, making them an economical choice for residential and commercial use. They are ideal for upgrading fluorescent bathroom light fixtures, tube light bulbs, or replacing circular ceiling lights. This fluorescent tube replacement is non-dimmable and should be used with standard on/off lighting fixtures. With a Colour Rendering Index (CRI) of over 80, this light tube provides accurate and natural colour representation, ensuring a well-lit environment with minimal colour distortion. These light tubes, also known as circline light bulbs, are suitable for various applications including professional workshops, beauty salons, medical inspections, and home lighting. They emit an evenly distributed, shadow-free light, making them ideal for detailed tasks and precision work. Ensure your lighting is reliable and efficient with this Crompton 40W circular fluorescent tube.
B&Q - 40W T9 Fluorescent Circular 4 Pin Light Bulbs Warm White 3000K Energy Efficient TubeFree delivery in 1–3 days£15.90Visit shop →
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Product Information
Full details
This guide helps you understand and use the Crompton Lamps T9 Circular Fluorescent Tube, a 40W triphosphor light designed for efficient and reliable lighting. Ideal for replacing existing fluorescent tubes in various settings, it provides a crisp, cool white light with a long lifespan. Note that this tube is non-dimmable and should be used with standard on/off lighting fixtures.
All features
Colour
White
Model Part Number
CIR40SPCW
Brand
Crompton Lamps
Extended Product Information
FAQs
How long does the light tube last?
The Crompton Lamps T9 Circular Fluorescent Tube has a lifespan of up to 10,000 hours.
Is this tube dimmable?
No, this light tube is non-dimmable and should be used with standard on/off lighting fixtures.
What type of base does this tube use?
This tube uses a GR10q 4-pin base for easy and secure installation.
What is the color temperature of the light?
The light has a cool white color temperature of 4000K.
Can I use this in my bathroom?
Yes, it is suitable for bathroom light fixtures, provided the fixture is compatible with the tube.
What is the CRI of this light tube?
The CRI (Color Rendering Index) is over 80, ensuring accurate and natural color representation.
How do I install the light tube?
Turn off the power, align the 4-pin base with the fixture, and insert the tube securely. Refer to the fixture's instructions for detailed installation steps.
Troubleshooting
The light tube is not turning on.
Check the power connection and ensure the tube is properly inserted into the fixture. Verify that the fixture is compatible with fluorescent tubes.
The light flickers or is dim.
Check the tube for damage. Ensure the fixture is providing sufficient power and that the connections are secure. Replace the tube if necessary.
The light color is not correct.
Ensure the correct color temperature (4000K) is selected and that the tube is the correct model.
Long lifespan minimizes the frequency of replacements.
Provides a bright, consistent cool white light.
Easy to install and replace with the GR10q 4-pin base.
Suitable for a wide range of applications.
Cons
Non-dimmable functionality.
Requires standard on/off lighting fixtures.
Specific to circular fluorescent fixtures.
May require professional installation for certain fixtures.
Setup, Compatibility & Care
Installation: Ensure the power is turned off before replacing the tube. Align the GR10q 4-pin base with the fixture and insert it securely.
Compatibility: This tube is designed to replace existing 40W T9 circular fluorescent tubes with a GR10q base. It is not compatible with dimmable fixtures.
Care: Clean the tube with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners.
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