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header-product Osram DULUX S fluorescent bulb 11 W G23 Cool white

Osram DULUX S fluorescent bulb 11 W G23 Cool white

Osram DULUX S fluorescent bulb 11 W Photo 1
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Short description

The Osram DULUX S fluorescent bulb features a power of 11 W and a G23 fitting. It provides a luminous flux of 900 lumens and has a cool white light color. With a lifespan of 10,000 hours, it is ideal for energy-efficient lighting solutions.
Warranty: 2 Years
SKU: 4911670
Manufacturer: Ledvance
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Product information

Description

The Osram DULUX S fluorescent bulb 11 W with G23 cap delivers cool white light (4000 K) and a luminous flux of 900 lm. Designed for energy-efficient general and decorative lighting, this compact single-ended lamp has an average life of 10,000 hours and a two-pin G23 plug-in base.

Advantages

Extremely economical with low energy consumption while providing good quality of light. The lamp has an extremely low profile and long service life that reduces replacement frequency and improves maintenance. Available in white light and also offered in red, green and blue variants for creative illumination.

Suitable for

  • Cost-effective creative illumination and decoration
  • Offices and public buildings
  • Shops, supermarkets and department stores
  • Hotels and restaurants

Key specifications

  • Brand: Ledvance (Osram DULUX S)
  • Model / MPN: 4050300010618
  • Fitting / cap type: G23 (single-ended two-pin plug-in)
  • Bulb power: 11 W
  • Luminous flux: 900 lm
  • Colour temperature: 4000 K (cool white)
  • Average life: 10,000 h
  • Color rendering index Ra: 80–89 (for white light versions)

How to use

Insert the lamp into a compatible luminaire with a G23 single-ended two-pin socket. Ensure the power is switched off before replacing the lamp. After installation, switch on the luminaire and allow a short warm-up time for the lamp to reach full luminous flux. Use the specified wattage ballast or electronic control gear compatible with 11 W fluorescent DULUX S lamps.

Usage recommendations

For best performance and longevity, use the lamp in fixtures rated for compact fluorescent lamps with G23 bases and ensure correct ballast compatibility. Avoid frequent on/off switching to preserve lamp life; consider colour variants (red, green, blue) for decorative or accent lighting needs.

Specifications

Fitting/cap type:
G23
Bulb power:
11 W
Luminous flux:
900 lm
Colour temperature:
4000 K
All features
LSF EM 2000 h rated, 3h cycle:
0.99 %
LSF EM 4000 h rated, 3h cycle:
0.99 %
LSF EM 6000 h rated, 3h cycle:
0.95 %
LSF EM 8000 h rated, 3h cycle:
0.81 %
LLMF HF 2000h rated:
0.85 %
LLMF HF 4000h rated:
0.8 %
LLMF HF 6000h rated:
0.77 %
LLMF HF 8000h rated:
0.75 %

Performance

Fitting/cap type:
G23
Bulb power:
11 W
Luminous flux:
900 lm
Light colour:
Cool white
Colour temperature:
4000 K
Finish type:
White
Bulb lifetime:
10000 h
Bulb size:
T12

Technical details

Mercury content:
1.3 mg

Weight & dimensions

Length:
237 mm
Diameter:
12 mm

Packaging data

Package weight:
48.3 g
Package depth:
26 mm
Package height:
36 mm
Package width:
239 mm
Package type:
Box

Other features

Energy consumption (1000 hours):
15 kWh
Energy efficiency class (old):
A

Description

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Customer reviews

Customer questions

FAQ

How much does the Osram DULUX S fluorescent bulb 11 W cost, and is it available for purchase?

The price is 11.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 100 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Ledvance products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Ledvance service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: fitting/cap type, bulb power, luminous flux, colour temperature, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.