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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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591 Results
4.8 86×
EMOS Filament candle, E14, 7 W (75 W), 1055 lm, neutral white
LED Bulb - lamp cap E14, power input 7 W, 230 V, luminous flux 1055 lm, neutral light (4000 K), diameter of 3,5 cm, lifespan 25000 h, energy label D, 1 piece in package
from  3.27 €
Currently Unavailable
Order Code: EMOS24222
Nedis LED bulb, E14, candle, 4,9 W, 470 lm, 2700 K, 3 pieces
LED Bulb - lamp cap E14, power input 4,9 W, 230 V, luminous flux 470 lm, lifespan 15000 h, energy label F, 3 in package
5.29 €
Currently Unavailable
Order Code: Nedis24044
5.0
Nedis LED bulb, E27, G95, 3,8 W, 250 lm, 2100 K, extra, retro
LED Bulb - lamp cap E27, power input 3,8 W, 230 V, luminous flux 250 lm, lifespan 15000 h, energy label G, 1 piece in package
7.19 €
Currently Unavailable
Order Code: Nedis24029
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
18.24 €
Currently Unavailable
Order Code: osra25080
Shelly Multicolour Bulb E27 Gen3
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8,5 W, 220 V, diameter of 6 cm, WiFi 2,4 GHz, compatible with Manufacturer app, control via app in both Czech and English, lifespan 15000 h, energy label F, 1 piece in package
New arrival 11.90 €
Currently Unavailable
Order Code: Shell26030
3.0
EMOS DECO SMOKED G125, E27, 4,5 W (19 W), 180 lm, flame
LED Bulb - lamp cap E27, power input 4,5 W, 230 V, filament, luminous flux 180 lm, warm light (1800 K), diameter of 12,5 cm, lifespan 25000 h, energy label G, 1 piece in package
9.31 €
Currently Unavailable
Order Code: EMOS25188
5.0
OSRAM gold dimmable vintage LED bulb E27 8,8 W GLOBE, warm white
LED Bulb - lamp cap E27, power input 8,8 W, luminous flux 806 lm, warm light (2200 K), lifespan 15000 h, energy label F, 1 piece in package
22.72 €
Currently Unavailable
Order Code: osra25088
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
19.05 €
Currently Unavailable
Order Code: osra25084
OSRAM dimmable LED bulb E27 6,5 W GLOBE VINTAGE, warm white
LED Bulb - lamp cap E27, power input 6,5 W, 230 V, luminous flux 725 lm, warm light (2400 K), diameter of 12,4 cm, lifespan 15000 h, energy label E, 1 piece in package
8.08 €
Currently Unavailable
Order Code: osra25047
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
15.40 €
Currently Unavailable
Order Code: osra25060
OSRAM dimmable LED bulb E27 4 W VINTAGE GRAPE, 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
14.37 €
Currently Unavailable
Order Code: osra25055
4.4
OSRAM large LED bulb E27 17 W STAR CLASSIC GLOBE, cold white
LED Bulb - lamp cap E27, power input 17 W, luminous flux 2452 lm, neutral light (4000 K), diameter of 12,5 cm, lifespan 15000 h, energy label D, 1 piece in package
11.34 €
Currently Unavailable
Order Code: osra25041
OSRAM large round LED bulb E27 11 W STAR, warm white
LED Bulb - lamp cap E27, power input 11 W, luminous flux 1521 lm, warm light (2700 K), lifespan 15000 h, energy label E, 1 piece in package
8.50 €
Currently Unavailable
Order Code: osra25039
5.0
Wi-Fi BLE 40W C37 E14 922-65 RGB 3CT/6
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 4,9 W, 230 V, luminous flux 470 lm, adjustable light temperature (2200-6500 K), diameter of 3,9 cm, WiFi 2,4 GHz and Bluetooth, control via app in both Czech and English, lifespan 15000 h, energy label F, 3 in package
39.90 €
Currently Unavailable
Order Code: WiZ23016
Philips Hue White Ambiance 5,1W E14 Drop 2 pcs
LED Bulb - smart, lamp cap E14 - lamp cap E14, power input 5,1 W, 230 V, luminous flux 470 lm (2200 K), diameter of 19 cm, Bluetooth, compatible with Apple Home, Google Home, Tuya, Samsung SmartThings, Philips Hue, energy label F, 2 in package
62.90 €
Currently Unavailable
Order Code: PHLS26049
Mi Smart LED Bulb Essential (White and colour) EU
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 9 W, 240 V, luminous flux 950 lm (1700 K), diameter of 5 cm, WiFi 2,4 GHz, compatible with Xiaomi Home, lifespan 25000 h, energy label A, 1 piece in package
Currently Unavailable
Order Code: XIA26004
Xiaomi Smart LED Bulb (White and colour)
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8,5 W, 240 V, luminous flux 806 lm (2700 K), diameter of 6 cm, WiFi 2,4 GHz and Bluetooth, compatible with Xiaomi Home, control via app in both Czech and English, lifespan 15000 h, energy label F, 1 piece in package
Currently Unavailable
Order Code: XIA26003
OSRAM gold dimmable LED bulb E27 7 W VINTAGE, warm white
LED Bulb - lamp cap E27, power input 7 W, luminous flux 806 lm, warm light (2200 K), lifespan 15000 h, energy label F, 1 piece in package
15.40 €
Currently Unavailable
Order Code: osra25076
OSRAM vintage incandescent bulb E27 4,8 W CLASSIC, 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
14.99 €
Currently Unavailable
Order Code: osra25082
OSRAM flat LED bulb 3.5W E27 STAR, cool white
LED Bulb - lamp cap E27, power input 3,5 W, 240 V, luminous flux 300 lm, neutral light (4000 K), lifespan 25000 h, energy label F, 1 piece in package
8.08 €
Currently Unavailable
Order Code: osra25043
OSRAM gold dimmable LED bulb E27 4,8 W 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
11.34 €
Currently Unavailable
Order Code: osra25070
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
20.68 €
Currently Unavailable
Order Code: osra25027
OSRAM Smoke LED bulb E27 4.8W VINTAGE ELIPSE/OVAL, warm white
LED Bulb - lamp cap E27, power input 4,8 W, luminous flux 100 lm, warm light (1800 K), lifespan 15000 h, 1 piece in package
33.68 €
Currently Unavailable
Order Code: osra25019
Shelly Duo Bulb E27 Gen3
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 8,5 W, 220 V, diameter of 6 cm, WiFi 2,4 GHz, compatible with Manufacturer app, control via app in both Czech and English, lifespan 15000 h, energy label F, 1 piece in package
New arrival 11.90 €
Currently Unavailable
Order Code: Shell26029
In the category Light Bulbs & Fluorescent Lights on Alza.de, we currently have a total of 590 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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