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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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849 Results
Philips Smart LED WFB 60W ST64 E27
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 7 W, 230 V, filament, luminous flux 806 lm, adjustable light temperature (2700-6500 K), diameter of 6,4 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, control via app in Czech, lifespan 15000 h, energy label E, 1 piece in package
Discounted -8 % 348,- 379,-
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Order Code: PHLS26007
Meross Smart Wi-Fi LED Bulb RGBWW - pack of 4
LED Bulb - smart, lamp cap E27, B22 and E26 - lamp cap E27, B22 and E26, power input 9 W, luminous flux 810 lm, adjustable light temperature (2700-6500 K), WiFi 2,4 GHz, compatible with Manufacturer app, control via app in both Czech and English, energy label F, 4 in package
1,399,-
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In stock > 5 pcs
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Order Code: Mer2514
Philips Classic A60, E27, 75 W, warm white, 2 pcs.
LED Bulb , power input 8,5 W, 230 V, luminous flux 1055 lm, diameter of 6 cm, lifespan 15000 h, energy label E, 2 in package - 120 Kč/ks
239,-
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In stock > 10 pcs
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Order Code: PHLS26037
Philips Classic A60, E27, 60 W, cool white, 6 pcs.
LED Bulb , power input 7 W, 230 V, luminous flux 850 lm, diameter of 6 cm, lifespan 15000 h, energy label E, 6 pc(s) in package - 65 Kč/ks
389,-
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In stock > 10 pcs
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Order Code: PHLS26026
Diolamp Vintage ST64 10W/230V/E27/2700K/1220Lm/360°
LED Bulb - lamp cap E27, power input 10 W, 230 V, filament, luminous flux 1220 lm, warm light (2700 K), diameter of 6,4 cm, lifespan 30000 h, energy label E, 1 piece in package
99,-
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In stock > 20 pcs at the supplier's
Order Code: DIOLHIledz12
Diolamp Vintage G80 10W/230V/E27/4000K/1260Lm/360°
LED Bulb - lamp cap E27, power input 10 W, 230 V, filament, luminous flux 1260 lm, neutral light (4000 K), diameter of 8 cm, lifespan 30000 h, energy label E, 1 piece in package
99,-
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In stock > 20 pcs at the supplier's
Order Code: DIOLHIledz10
Tesla G4, 4 W, 12 V, 350 lm, 25 000 h, 3000K warm white, 2 pcs
LED Bulb , power input 4 W, 12 V, luminous flux 350 lm, diameter of 1,9 cm, lifespan 25000 h, energy label F, 2 in package
Discounted -16 % 149,- 179,-
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Order Code: TslLight26010
Philips Classic A60, E27, 100 W, cool white
LED Bulb , power input 10,5 W, 230 V, luminous flux 1521 lm, diameter of 6 cm, lifespan 15000 h, energy label D, 1 piece in package
169,-
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Order Code: PHLS26035
New arrival 1,390,-
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In stock > 5 pcs
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Order Code: Govee26008
Philips Classic B35, E14, 40 W, warm white, 6 pcs.
LED Bulb , power input 3,4 W, 230 V, luminous flux 470 lm, diameter of 3,5 cm, lifespan 25000 h, energy label D, 6 pc(s) in package - 57 Kč/ks
339,-
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In stock > 10 pcs
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Order Code: PHLS26027
Philips Smart LED WFB 50W GU10 GLASS RGB, 3 pcs
LED Bulb - smart, lamp cap GU10 - lamp cap GU10, power input 4,7 W, 230 V, luminous flux 400 lm, adjustable light temperature (2200-6500 K), diameter of 5 cm, WiFi 2,4 GHz, compatible with Apple Siri shortcuts, Google Home, control via app in Czech, lifespan 15000 h, energy label F, 3 in package - 277 Kč/ks
Discounted -15 % 832,- 979,-
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Order Code: PHLS26011
2.6
OSRAM SPC. T26/57, E14, 25W, 300 °C, matt
Oven Bulb - energy label G, power input 25 W, 230 V, Filament, luminous flux 140 lm, warm light (2700 K), diameter 2,6 cm, lifetime 1000 h
60,-
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Order Code: osra25116
Philips Classic A60, E27, 60 W, warm white, 3 pcs.
LED Bulb , power input 7 W, 230 V, luminous flux 806 lm, diameter of 6 cm, lifespan 15000 h, energy label E, 3 in package - 76 Kč/ks
229,-
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Order Code: PHLS26024
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
399,-
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In stock 1 pcs
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Order Code: osra25072
RETLUX RLL 670 GU10 bulb 1,9 W WW A
LED Bulb - lamp cap GU10, power input 1,9 W, 230 V, luminous flux 340 lm, warm light (3000 K), diameter of 5 cm, lifespan 6,94 h, energy label A, 1 piece in package
99,-
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Order Code: RTLX26013
Philips Classic B35, E14, 40 W, warm white, 3 pcs.
LED Bulb , power input 3,4 W, 230 V, luminous flux 470 lm, diameter of 3,5 cm, lifespan 25000 h, energy label D, 3 in package - 66 Kč/ks
199,-
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Order Code: PHLS26029
Tesla G4, 4 W, 12 V, 350 lm, 25 000 h, 4000K daylight white, 2 pcs
LED Bulb , power input 4 W, 12 V, luminous flux 350 lm, diameter of 1,9 cm, lifespan 25000 h, energy label F, 2 in package
Discounted -16 % 149,- 179,-
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In stock
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Order Code: TslLight26011
Philips Classic B35, E14, 40 W, warm white, milky, 3 pcs.
LED Bulb , power input 3,4 W, 230 V, luminous flux 470 lm, diameter of 3,5 cm, lifespan 25000 h, energy label D, 3 in package - 70 Kč/ks
209,-
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In stock > 10 pcs
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Order Code: PHLS26030
Philips Classic GU10, 50 W, cool white, 3 pcs.
LED Bulb , power input 4,6 W, 230 V, luminous flux 390 lm, diameter of 5 cm, lifespan 15000 h, energy label F, 3 in package - 50 Kč/ks
149,-
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Order Code: PHLS26031
52,-
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In stock 5 pcs
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Order Code: EMOS26015
WiZ Tunable White 25W E27 PS160 Vintage
LED Bulb - smart, lamp cap E27 - lamp cap E27, power input 6,5 W, 230 V, luminous flux 390 lm, adjustable light temperature (2000-5000 K), WiFi 2,4 GHz, compatible with Samsung SmartThings, IFTTT, control via app in both Czech and English, lifespan 15000 h, energy label G, 1 piece in package
1,225,-
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In stock 2 pcs
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Order Code: WiZ21027
Diolamp Vintage T30 4W/230V/E27/2700K/480Lm/360°/18,5 cm
LED Bulb - lamp cap E27, power input 4 W, 230 V, filament, luminous flux 480 lm, warm light (2700 K), diameter of 3 cm, lifespan 30000 h, energy label E, 1 piece in package
99,-
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In stock > 5 pcs at the supplier's
Order Code: DIOLHIledz13
Diolamp Vintage G125 12W/230V/E27/4000K/1600Lm/360°
LED Bulb - lamp cap E27, power input 12 W, 230 V, filament, luminous flux 1600 lm, neutral light (4000 K), diameter of 12,5 cm, lifespan 30000 h, energy label E, 1 piece in package
149,-
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In stock > 10 pcs at the supplier's
Order Code: DIOLHIledz11
Tesla - LED bulb GLOBE G125 VINTAGE, E27, 4,2W, 230V, 380lm, 2400K, 360deg, gold
LED Bulb - lamp cap E27, power input 4,2 W, 230 V, luminous flux 380 lm (2400 K), diameter of 9,5 cm, lifespan 25000 h, energy label E, 1 piece in package
249,-
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In stock 1 pcs
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Order Code: TslLigh22_76
In the category Light Bulbs & Fluorescent Lights on Alza.cz, we currently have a total of 899 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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