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Light Bulbs & Fluorescent Lights

What type of bulb and socket to choose? We will advise you.

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Socket

The base part of the bulb that connects to the lamp. There are several types of fittings:

E27

 27 mm in diameter, this is one of the most common fittings. It’s used by almost every light source with a voltage of 230 V, i.e. classic incandescent lamps, halogen, energy-saving, and LED bulbs. You can usually find this type in ceiling or wall lighting fixtures or chandeliers.

E14

 Has the same screw as E27, so once again, it’s used in classic incandescent lamps, halogen, energy-saving, and LED bulbs. They differ only in diameter, which in this case is 14 mm. The operating voltage is 230 V. Commonly used in smaller lamps, spot lights, and candelabra and chandeliers consisting of a large number of light bulbs.

GU10

 This slot has no screw. Instead, it has two pins with a diameter of 5 mm that you snap into the lamp and twist slightly. Its operating voltage is 230 V and this type is most commonly encountered in halogen or LED bulbs. It is used in ceiling lights, spot lights, or in bathroom and lavatory fixtures.

G4

 A threadless socket, it features two pins 4 mm apart that you snap into the lamp. Its operating voltage is 12V. Most commonly found in kitchen counter lighting fixtures, low ceilings, or bars.

GU5.3

 Another threadless socket, it features two pins 1 mm in diameter and spaced 5.3 mm apart. The socket is designed for 12V. The light source is usually a halogen or LED bulb. Mainly used in smaller lamps and spot lights.

G9

 A threadless socket similar to GU10. It has two pins that snap into the lamp. This is the smallest size for 230V halogen and LED bulbs. Most commonly used in ceiling fixtures, spot lights, or in bathroom and lavatory fixtures.

R7s

 A linear, tube-shaped socket inserted into a fork with a pitch of 78-189 mm. Its operating voltage is 230 V. Used in halogen spotlights, LED lamps, floor lamps, or architectural lighting fixtures.

Technology

Incandescent light bulbs

  • The cheapest light source when it comes to purchase cost. The massive heat loss, however, makes them very inefficient. Over 90% of the consumed energy is converted into heat and only the remaining 10% into light. Their service life is also low – 1,000 hours on average.

Halogen bulbs

  • About 30% more efficient than incandescent bulbs. Illuminate at the full power right after you switch them on, can be dimmed, and their purchase cost is lower than that of LED bulbs. Their operating costs are considerably higher, so they are mainly used in places where you need strong light for a short time. Their service life is 2,000 to 3,000 hours.

Energy-effcient light bulbs

  • Roughly 75% more efficient than incandescent bulbs. After switching, it takes a while before they reach their maximum brightness, so they aren’t suitable for places where lights are often turned on and off. Lose their original luminance after a few years. Their service life ranges between 6,000 and 20,000 hours.

LED bulbs

  • The latest and most efficient technology. Their service life is remarkable - usually between 20,000 and 50,000 hours. Achieve high brightness with minimum energy consumption. A 9W LED bulb is equivalent to a 60W halogen lamp.
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932 Results
OSRAM spiral LED dimmable bulb E27 4 W VINTAGE, warm white - LED Bulb
OSRAM spiral LED dimmable bulb E27 4 W VINTAGE, warm white
LED Bulb - lamp cap E27, power input 4 W, luminous flux 300 lm, warm light (2000 K), lifespan 15000 h, energy label G, 1 piece in package
459,-
Buy
In stock > 10 pcs at the supplier's
Order Code: osra25051
Ideal Lux GU10 05W 420Lm 4000K - LED Bulb
Ideal Lux GU10 05W 420Lm 4000K
LED Bulb - lamp cap GU10, power input 5 W, luminous flux 420 lm, neutral light (4000 K), diameter of 5 cm, lifespan 25000 h, energy label E
from  67,-
Buy
In stock 1 pcs at the supplier's
Order Code: LEDKd22_712
OSRAM dimmable vintage LED bulb E27 4,8 W EDISON, warm white - LED Bulb
OSRAM dimmable vintage LED bulb E27 4,8 W EDISON, warm white
LED Bulb - lamp cap E27, power input 4,8 W, luminous flux 806 lm, warm light (2200 K), lifespan 15000 h, energy label F, 1 piece in package
299,-
Buy
In stock 3 pcs at the supplier's
Order Code: osra25071
OSRAM spherical LED dimmable bulb E27 8,8 W VINTAGE, warm white - LED Bulb
OSRAM spherical LED dimmable bulb E27 8,8 W VINTAGE, warm white
LED Bulb - lamp cap E27, power input 8,8 W, 230 V, luminous flux 806 lm, warm light (2200 K), diameter of 8 cm, lifespan 15000 h, energy label F, 1 piece in package
469,-
Buy
In stock 4 pcs at the supplier's
Order Code: osra25084
OSRAM dimmable vintage LED bulb E27 7,8 W GLOBE, warm white - LED Bulb
OSRAM dimmable vintage LED bulb E27 7,8 W GLOBE, warm white
LED Bulb - lamp cap E27, power input 7,8 W, luminous flux 806 lm, warm light (1800 K), lifespan 15000 h, energy label G, 1 piece in package
379,-
Buy
In stock > 5 pcs at the supplier's
Order Code: osra25060
OSRAM dimmable LED bulb E27 4,8 W VINTAGE GLOBE, warm white - LED Bulb
OSRAM dimmable LED bulb E27 4,8 W VINTAGE GLOBE, warm white
LED Bulb - lamp cap E27, power input 4,8 W, luminous flux 806 lm, warm light (2200 K), lifespan 15000 h, energy label F
349,-
Buy
In stock > 5 pcs at the supplier's
Order Code: osra25075
OSRAM black round LED bulb E27 4 W VINTAGE, warm white - LED Bulb
OSRAM black round LED bulb E27 4 W VINTAGE, warm white
LED Bulb - lamp cap E27, power input 4 W, luminous flux 140 lm, warm light (1800 K), lifespan 15000 h, energy label G, 1 piece in package
509,-
Buy
In stock 3 pcs at the supplier's
Order Code: osra25027
OSRAM Smoke LED bulb E27 4.8W VINTAGE GLOBE, warm white - LED Bulb
OSRAM Smoke LED bulb E27 4.8W VINTAGE GLOBE, warm white
LED Bulb - lamp cap E27, power input 4,8 W, luminous flux 100 lm, warm light (1800 K), diameter of 20 cm, lifespan 15000 h, 1 piece in package
959,-
Buy
In stock 1 pcs at the supplier's
Order Code: osra25020
OSRAM golden vintage LED bulb E27 5,8 W GLOBE, warm white - LED Bulb
OSRAM golden vintage LED bulb E27 5,8 W GLOBE, warm white
LED Bulb - lamp cap E27, power input 5,8 W, 230 V, luminous flux 806 lm, warm light (2200 K), diameter of 9,5 cm, lifespan 15000 h, energy label G, 1 piece in package
479,-
Buy
In stock 2 pcs at the supplier's
Order Code: osra25085
OSRAM dimmable vintage LED bulb E27 5,8 W EDISON, warm white - LED Bulb
OSRAM dimmable vintage LED bulb E27 5,8 W EDISON, warm white
LED Bulb - lamp cap E27, power input 5,8 W, 230 V, luminous flux 806 lm, warm light (2200 K), diameter of 6,4 cm, lifespan 15000 h, energy label G, 1 piece in package
449,-
Buy
In stock 3 pcs at the supplier's
Order Code: osra25080
OSRAM dimmable LED smoke lamp 7,8 W VINTAGE, warm white - LED Bulb
OSRAM dimmable LED smoke lamp 7,8 W VINTAGE, warm white
LED Bulb - lamp cap E27, power input 7,8 W, 230 V, luminous flux 806 lm, warm light (1800 K), diameter of 13,8 cm, lifespan 15000 h, energy label G, 1 piece in package
479,-
Buy
In stock 3 pcs at the supplier's
Order Code: osra25062
OSRAM pink balloon LED dimmable bulb E27 4,5 W VINTAGE, warm white - LED Bulb
OSRAM pink balloon LED dimmable bulb E27 4,5 W VINTAGE, warm white
LED Bulb - lamp cap E27, power input 4,5 W, 230 V, luminous flux 806 lm, warm light (1600 K), diameter of 17 cm, lifespan 15000 h, energy label G, 1 piece in package
929,-
Buy
In stock 4 pcs at the supplier's
Order Code: osra25092
OSRAM green vintage LED bulb E27 4,5 W GLOBE, warm white - LED Bulb
OSRAM green vintage LED bulb E27 4,5 W GLOBE, warm white
LED Bulb - lamp cap E27, power input 4,5 W, 230 V, luminous flux 806 lm, warm light (1600 K), diameter of 12,5 cm, lifespan 15000 h, energy label G, 1 piece in package
919,-
Buy
In stock 4 pcs at the supplier's
Order Code: osra25090
OSRAM flat dimmable LED bulb 3.5W E27 STAR, cool white - LED Bulb
OSRAM flat dimmable LED bulb 3.5W E27 STAR, cool white
LED Bulb - lamp cap E27, power input 3,5 W, luminous flux 270 lm, neutral light (4000 K), lifespan 25000 h, energy label G, 1 piece in package
219,-
Buy
In stock > 5 pcs at the supplier's
Order Code: osra25045
OSRAM frosted LED bulb E27 7.3W VINTAGE BALLON, warm white - LED Bulb
OSRAM frosted LED bulb E27 7.3W VINTAGE BALLON, warm white
LED Bulb - lamp cap E27, power input 7,3 W, 230 V, luminous flux 806 lm, warm light (2700 K), diameter of 17 cm, lifespan 15000 h, energy label E, 1 piece in package
929,-
Buy
In stock 4 pcs at the supplier's
Order Code: osra25102
OSRAM dimmable LED filament lamp E27 4,5 W BIG GRAPE, warm white - LED Bulb
OSRAM dimmable LED filament lamp E27 4,5 W BIG GRAPE, warm white
LED Bulb - lamp cap E27, power input 4,5 W, luminous flux 806 lm, warm light (1700 K), diameter of 16,5 cm, lifespan 15000 h, energy label G, 1 piece in package
929,-
Buy
In stock 4 pcs at the supplier's
Order Code: osra25094
OSRAM dimmable LED bulb E27 4 W VINTAGE CONE, warm white - LED Bulb
OSRAM dimmable LED bulb E27 4 W VINTAGE CONE, warm white
LED Bulb - lamp cap E27, power input 4 W, luminous flux 806 lm, warm light (1800 K), lifespan 15000 h, energy label G, 1 piece in package
999,-
Buy
In stock 4 pcs at the supplier's
Order Code: osra25095
OSRAM Vintage LED bulb E27 4,8 W GOLD VINTAGE, warm white - LED Bulb
OSRAM Vintage LED bulb E27 4,8 W GOLD VINTAGE, warm white
LED Bulb - lamp cap E27, power input 4,8 W, luminous flux 806 lm, warm light (2200 K), lifespan 15000 h, energy label G, 1 piece in package
969,-
Buy
In stock 3 pcs at the supplier's
Order Code: osra25098
OSRAM dimmable LED filament lamp E27 4,8 W VINTAGE 1906, warm white - LED Bulb
OSRAM dimmable LED filament lamp E27 4,8 W VINTAGE 1906, warm white
LED Bulb - lamp cap E27, power input 4,8 W, luminous flux 806 lm, warm light (1800 K), lifespan 15000 h, energy label G, 1 piece in package
1,109,-
Buy
In stock 1 pcs at the supplier's
Order Code: osra25097
OSRAM blue balloon LED dimmable bulb E27 4,5 W VINTAGE, warm white - LED Bulb
OSRAM blue balloon LED dimmable bulb E27 4,5 W VINTAGE, warm white
LED Bulb - lamp cap E27, power input 4,5 W, 230 V, luminous flux 806 lm, warm light (1600 K), diameter of 17 cm, lifespan 15000 h, energy label G
929,-
Buy
In stock 4 pcs at the supplier's
Order Code: osra25091
OSRAM dimmable LED bulb E27 4 W VINTAGE 1906, warm white - LED Bulb
OSRAM dimmable LED bulb E27 4 W VINTAGE 1906, warm white
LED Bulb - lamp cap E27, power input 4 W, luminous flux 806 lm, warm light (1800 K), lifespan 15000 h, 1 piece in package
639,-
Buy
In stock 4 pcs at the supplier's
Order Code: osra25096
OSRAM gold dimmable vintage LED bulb E27 5,8 W GLOBE, warm white - LED Bulb
OSRAM gold dimmable vintage LED bulb E27 5,8 W GLOBE, warm white
LED Bulb - lamp cap E27, power input 5,8 W, 230 V, luminous flux 806 lm, warm light (2200 K), diameter of 12,4 cm, lifespan 15000 h, energy label G, 1 piece in package
519,-
Buy
In stock 4 pcs at the supplier's
Order Code: osra25087
OSRAM gold dimmable LED bulb E27 5,8 W VINTAGE GLOBE, warm white - LED Bulb
OSRAM gold dimmable LED bulb E27 5,8 W VINTAGE GLOBE, warm white
LED Bulb - lamp cap E27, power input 5,8 W, 230 V, luminous flux 806 lm, warm light (2200 K), diameter of 12,4 cm, lifespan 15000 h, energy label G, 1 piece in package
449,-
Buy
In stock 4 pcs at the supplier's
Order Code: osra25083
OSRAM dimmable LED bulb E27 4,8 W BIG GLOBE, warm white - LED Bulb
OSRAM dimmable LED bulb E27 4,8 W BIG GLOBE, warm white
LED Bulb - lamp cap E27, power input 4,8 W, luminous flux 806 lm, warm light (1800 K), lifespan 15000 h, energy label G, 1 piece in package
1,039,-
Buy
In stock 4 pcs at the supplier's
Order Code: osra25063

Light Bulbs & Fluorescent Lights

LED Bulbs LED bulbs Light Bulbs & Fluorescent Lights Sorted by Socket by Socket Fluorescent Tube Lamps Fluorescent Tubes Smart Light Bulbs Light Sources Efficient Lamps Efficient Spotlight Bulbs Spotlight Oven Light Bulbs Oven Vintage & Retro Light Bulbs Retro Light Bulb Value Packs Value Packs Car Lightbulbs Car Bulbs AlzaPower Light Bulbs & Fluorescent Lights AlzaPower Jak vybrat žárovku
 

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Light Bulbs & Fluorescent Lights

In the category Light Bulbs & Fluorescent Lights on Alza.cz, we currently have a total of 1015 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
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