This Osram Dulux D/E 13 Watt compact fluorescent light bulb provides a cool white (4000K) light. I...This Osram Dulux D/E 13 Watt compact fluorescent light bulb provides a cool white (4000K) light. It features a G24q-1 socket and has a 4-pin quad tube design. With an average rated life of 10,000 hours, this A-rated energy-efficient bulb delivers 900 lumens of luminosity. The bulb has a length of 131 mm and a diameter of 27mm, with a colour rendering index of 80 (colour reference 840). It is equivalent to a 75W incandescent bulb.
Osram Dulux L 36W/840 2G11 Lumilux Neutral White 4000K OEM£12.98 delivery£7.12Visit shop →
2 x Osram Dulux D/E 10W/830 G24q-1 Lumilux warm white 4 pin (pack of 2)Free delivery in 1–3 days£14.99Visit shop →
Pack of 5 x Pack Of Osram Dulux T/E Plus 32W GX24q-3 Fluorescent Lamp Cool(KS62)Free delivery in 1–3 days£28.79Visit shop →
Product Information
Full details
This Osram Dulux D/E 13 Watt compact fluorescent light bulb is ideal for offices, public buildings, shops, and hospitality settings seeking energy-efficient, high-quality cool white lighting. Its key benefit is an extremely economical operation with a long service life of up to 20,000 hours when used with an electronic control gear. A potential caveat is that optimal performance and lifespan are achieved when paired with specific Osram electronic control gear.
All features
Colour
White
Energy Efficiency
A
Model Part Number
4050300017594
Brand
Osram
Extended Product Information
FAQs
What is the difference between Dulux D/E and other Osram CFL bulbs?
The 'D/E' designation typically refers to the double-turn tube design and the G24q pin base, optimized for use with electronic control gear for longer life and better performance. Other models might have different pin configurations (e.g., G24d) or tube designs.
Can this bulb be used outdoors?
This bulb is generally intended for indoor use in enclosed fixtures that protect it from moisture and extreme temperatures. Outdoor use would depend heavily on the fixture's IP rating and environmental conditions.
How do I dispose of this CFL bulb?
CFL bulbs contain a small amount of mercury and should not be disposed of in regular household waste. Check with your local municipality or recycling center for specific instructions on hazardous waste disposal or CFL recycling programs.
What does '4000K' mean for the light colour?
4000 Kelvin (K) refers to the colour temperature of the light. 4000K is considered 'cool white' or 'neutral white', providing a bright, crisp light often preferred for workspaces and general illumination.
What is the average rated life of this bulb?
The average rated life is 20,000 hours when operated with a compatible electronic control gear (ECG). Without an ECG, the lifespan will be significantly shorter.
Is this bulb compatible with all G24q-1 fixtures?
While it fits the G24q-1 socket, optimal performance, dimming, and the full lifespan are achieved when used with compatible electronic control gear, preferably from Osram. Always check the fixture's specifications.
Troubleshooting
Bulb does not light up
Ensure the bulb is correctly seated in the G24q-1 socket. Verify that the fixture's power supply is active. Check the compatibility and function of the electronic control gear. Try the bulb in a known working fixture if possible.
Flickering or inconsistent light
This often indicates an issue with the electronic control gear or an incompatible ballast. Ensure you are using a compatible ECG as recommended. Check all electrical connections.
Bulb dims prematurely or lifespan is short
Verify that the bulb is operated with a suitable electronic control gear designed for CFL lamps. Ensure the fixture is not subject to excessive heat or voltage fluctuations. Check for any obstructions or ventilation issues in the fixture.
Bulb not dimming
Confirm that both the bulb and the fixture's control gear are specifically designed for dimming. Ensure the dimmer switch is compatible with electronic ballasts and set correctly.
Pros and Cons
Pros
Extremely economical to operate.
Provides good quality, cool white light.
Excellent luminous flux for its wattage.
Long service life reduces maintenance costs.
Dimmable for flexible lighting control.
High colour rendering index for accurate colour representation.
Cons
Requires compatible electronic control gear for optimal performance and lifespan.
Contains mercury, requiring careful disposal.
Lifespan can be significantly reduced if not used with appropriate control gear.
Not a direct replacement for all G24q-1 fixtures without checking compatibility.
Setup, Compatibility & Care
Setup:
Ensure the power to the light fixture is switched OFF before installation.
Carefully remove the old bulb by gently pulling it out of the G24q-1 socket.
Align the four pins of the Osram Dulux D/E 13 Watt bulb with the G24q-1 socket.
Gently push the bulb into the socket until it is securely seated.
Restore power to the fixture.
Compatibility:
This bulb requires a G24q-1 socket.
For optimal performance, dimmability, and the stated 20,000-hour lifespan, it is highly recommended to use with a compatible Osram electronic control gear (ECG) such as the OSRAM QUICKTRONIC range. Operation with non-compatible or magnetic ballasts may reduce lifespan and dimming capabilities.
Check fixture specifications to ensure compatibility with a 13W, G24q-1 base, 4-pin CFL bulb.
Care:
Always handle the bulb by the plastic base to avoid touching the glass, especially if it's warm.
Regularly clean the light fixture and the bulb (when cool and powered off) with a dry or slightly damp cloth to maintain optimal light output and prevent dust accumulation.
If the bulb needs to be replaced, ensure it is disposed of correctly due to its mercury content. Contact local waste management for proper disposal guidelines.