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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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Alza Days 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
 
817 Results
SMD LED Downlight GX53 11W/3000K/970Lm/230V - LED Bulb
2 colors
4.4 5×
SMD LED Downlight GX53 11W/3000K/970Lm/230V
LED Bulb - lamp cap GX53, power input 11 W, 230 V, luminous flux 970 lm, diameter of 2,8 cm, lifespan 30000 h, 1 piece in package
2.78 €
Currently Unavailable
Order Code: MPzar001
Philips LED 60W A60 E27 2700K CL UE SRT4 - LED Bulb
4.4 3×
Philips LED 60W A60 E27 2700K CL UE SRT4
LED Bulb - lamp cap E27, power input 4 W, 230 V, luminous flux 840 lm, warm light (2700 K), lifespan 50000 h, energy label A, 1 piece in package
11.90 €
Currently Unavailable
Order Code: PHLS25028
Philips Hue White Ambiance 5.1W 12V MR16 1P EU - LED Bulb
2 variants
5.0 1×
Philips Hue White Ambiance 5.1W 12V MR16 1P EU
LED Bulb - smart, lamp cap GU5,3 - lamp cap GU5,3, power input 5,1 W, 12 V, luminous flux 400 lm, adjustable light temperature (2200-6500 K), diameter of 5 cm, Bluetooth, compatible with Apple Home, Philips Hue, control via app in both Czech and English, lifespan 25000 h, energy label G, 1 piece in package
41.90 €
Currently Unavailable
Order Code: PHLS23018
Wi-Fi BLE G95 E27 922-65 RGB CL 1PF/6 - LED Bulb
5.0 1×
Wi-Fi BLE G95 E27 922-65 RGB CL 1PF/6
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,3 W, 230 V, luminous flux 470 lm, adjustable light temperature (2200-6500 K), diameter of 9,5 cm, WiFi 2,4 GHz and WiFi 5 GHz, control via app in both Czech and English, lifespan 15000 h, energy label G, 1 piece in package
31.91 €
Currently Unavailable
Order Code: WiZ23019
LED Globe Filament bulb clear G125 12W/230V/E27/2700K/1540Lm/360° - LED Bulb
5.0 1×
LED Globe Filament bulb clear G125 12W/230V/E27/2700K/1540Lm/360°
LED Bulb - lamp cap E27, power input 12 W, luminous flux 1540 lm, diameter of 12,5 cm, lifespan 30000 h, energy label E, 1 piece in package
9.83 €
Currently Unavailable
Order Code: zar0045
Wi-Fi BLE ST64 E27 922-65 RGB CL 1PF/6 - LED Bulb
5.0 1×
Wi-Fi BLE ST64 E27 922-65 RGB CL 1PF/6
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,3 W, 230 V, luminous flux 470 lm, adjustable light temperature (2200-6500 K), diameter of 6,4 cm, WiFi 2,4 GHz and WiFi 5 GHz, control via app in both Czech and English, lifespan 15000 h, energy label G, 1 piece in package
31.91 €
Currently Unavailable
Order Code: WiZ23018
VOREL Bulb 400 W for halogen lamp 2 pcs - Bulb
3.5 2×
VOREL Bulb 400 W for halogen lamp 2 pcs
Bulb
4.24 €
Currently Unavailable
Order Code: CMP3133
RETLUX RLL 638 G45 E27 miniG 6W WW D - LED Bulb
4 variants
4.9 13×
RETLUX RLL 638 G45 E27 miniG 6W WW D
LED Bulb - lamp cap E27, power input 6 W, 230 V, luminous flux 810 lm, warm light (3000 K), lifespan 25000 h, energy label D, 1 piece in package
2.49 €
Currently Unavailable
Order Code: RTLX24061
Nedis LED bulb, E27, A60, 8 W, 806 lm, 2700 K - LED Bulb
5.0 3×
Nedis LED bulb, E27, A60, 8 W, 806 lm, 2700 K
LED Bulb - lamp cap E27, power input 8 W, 230 V, luminous flux 806 lm, lifespan 15000 h, energy label F, 1 piece in package
3.89 €
Currently Unavailable
Order Code: Nedis24038
Philips LED 60W G95 E27 2700K CL UE SRT4 - LED Bulb
Philips LED 60W G95 E27 2700K CL UE SRT4
LED Bulb - lamp cap E27, power input 4 W, 230 V, luminous flux 840 lm, warm light (2700 K), diameter of 9,5 cm, lifespan 50000 h, energy label A, 1 piece in package
11.90 €
Currently Unavailable
Order Code: PHLS25026
OSRAM 10X2, E14, 15W, 300 °C, clear - pack of 2 - Oven Bulb
OSRAM 10X2, E14, 15W, 300 °C, clear - pack of 2
Oven Bulb - energy label G, power input 15 W, 230 V, Filament, luminous flux 85 lm, warm light (2700 K), diameter 2,2 cm, lifetime 1500 h, 2 pieces in the package
6.29 €
Currently Unavailable
Order Code: osra25108
Smoot ZigBee Light GU10 - LED Bulb
Smoot ZigBee Light GU10
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 6,5 W, 230 V, luminous flux 400 lm, adjustable light temperature (2700-6500 K), diameter of 5 cm, WiFi 2,4 GHz and WiFi 5 GHz, compatible with Tuya, control via app in Czech, lifespan 40000 h, energy label F, 1 piece in package
15.69 €
Currently Unavailable
Order Code: HLOSV002
Tesla GLOBE G95 VINTAGE, E27, 4, 2W, 230V, 380lm, 2400K, 360deg, gold - LED Bulb
Tesla GLOBE G95 VINTAGE, E27, 4, 2W, 230V, 380lm, 2400K, 360deg, gold
LED Bulb , power input 4,2 W, 230 V, filament, luminous flux 380 lm (2400 K), diameter of 9,5 cm, lifespan 25000 h, energy label F, 1 piece in package
Buy with code ALZADNI10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky. 8.54 €
9.49 €
Currently Unavailable
Order Code: TslLigh22_74
EMOS Classic MR16, GU10, 7 W (60 W), 800 lm, neutral white, dimmable - LED Bulb
2 variants
EMOS Classic MR16, GU10, 7 W (60 W), 800 lm, neutral white, dimmable
LED Bulb - lamp cap GU10, power input 7 W, 230 V, luminous flux 800 lm, neutral light (4000 K), diameter of 5 cm, lifespan 25000 h, energy label E, 1 piece in package
5.41 €
Currently Unavailable
Order Code: EMOS25197
OSRAM dimmable vintage LED bulb E27 7 W EDISON, warm white - LED Bulb
OSRAM dimmable vintage LED bulb E27 7 W EDISON, 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
12.41 €
Currently Unavailable
Order Code: osra25072
Denver SHL-450 - LED Bulb
Denver SHL-450
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 5 W, 230 V, luminous flux 300 lm, adjustable light temperature (2700-6500 K), diameter of 5 cm, WiFi 2,4 GHz, compatible with Tuya, lifespan 20000 h, 1 piece in package
8.19 €
Currently Unavailable
Order Code: AQImics015
OSRAM dimmable LED filament bulb E27 11 W VINTAGE GLOBE, warm white - LED Bulb
OSRAM dimmable LED filament bulb E27 11 W VINTAGE GLOBE, warm white
LED Bulb - lamp cap E27, power input 11 W, 230 V, luminous flux 806 lm, warm light (1800 K), diameter of 12,4 cm, lifespan 15000 h, energy label G, 1 piece in package
21.99 €
Currently Unavailable
Order Code: osra25066
OSRAM dimmable vintage LED bulb E27 11 W GLOBE, warm white - LED Bulb
OSRAM dimmable vintage LED bulb E27 11 W GLOBE, warm white
LED Bulb - lamp cap E27, power input 11 W, 230 V, luminous flux 806 lm, warm light (1800 K), diameter of 8 cm, lifespan 15000 h, energy label G, 1 piece in package
20 €
Currently Unavailable
Order Code: osra25065
Hynek Medřický Biodynamic LED bulb Vitae 3in1 EEN - LED Bulb
Hynek Medřický Biodynamic LED bulb Vitae 3in1 EEN
LED Bulb - lamp cap E27, 230 V, adjustable light temperature (1200-2700 K), diameter of 7 cm, lifespan 15000 h, energy label G, 1 piece in package
91.46 €
Currently Unavailable
Order Code: WSaaa4638
EMOS Classic MR16 white, GU10, 5,8 W (75 W), 565 lm, warm white - LED Bulb
9 variants
4.8 215×
EMOS Classic MR16 white, GU10, 5,8 W (75 W), 565 lm, warm white
LED Bulb - lamp cap GU10, power input 5,8 W, 230 V, luminous flux 565 lm, warm light (3000 K), diameter of 5 cm, lifespan 30000 h, energy label E, 1 piece in package
New arrival 3.30 €
Currently Unavailable
Order Code: EMOS26056
Tesla LED tube, SMD technology, T8, G13, 1500mm, 24W, 230V, 3840lm, 4000K, milky - LED Lamp
Tesla LED tube, SMD technology, T8, G13, 1500mm, 24W, 230V, 3840lm, 4000K, milky
LED Lamp
30.47 €
Currently Unavailable
Order Code: TslLight25020
Philips 60W A60 E27 2700K FR UE D SRT4 - LED Bulb
Philips 60W A60 E27 2700K FR UE D SRT4
LED Bulb - lamp cap E27, power input 4 W, 230 V, luminous flux 840 lm, warm light (2700 K), diameter of 6 cm, lifespan 50000 h, energy label A, 1 piece in package
11.90 €
Currently Unavailable
Order Code: PHLS25044
Philips 50W GU10 WH 36D DIM UE SRT4 - LED Bulb
Philips 50W GU10 WH 36D DIM UE SRT4
LED Bulb - lamp cap GU10, power input 2,4 W, 230 V, luminous flux 400 lm, warm light (2700 K), diameter of 5 cm, lifespan 50000 h, energy label A, 1 piece in package
19.90 €
Currently Unavailable
Order Code: PHLS25041
OSRAM brown LED bulb E27 4,8W VINTAGE OVAL, warm white - LED Bulb
OSRAM brown LED bulb E27 4,8W VINTAGE OVAL, warm white
LED Bulb - lamp cap E27, power input 4,8 W, luminous flux 200 lm, warm light (1800 K), lifespan 15000 h, 1 piece in package
36.71 €
Currently Unavailable
Order Code: osra25014

Light Bulbs & Fluorescent Lights

Alza Days 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

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