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Optonica SP4-A4 LED Bulb 4W 106mm for Socket E27 and Shape A60 Natural White 400lm
LED Bulbs

Optonica SP4-A4 LED Bulb 4W 106mm for Socket E27 and Shape A60 Natural White 400lm Code: 1858

The Optonica SP4-A4 LED bulb has an A60 shape and an E27 base. The filament is visible through the glass body, while the 4500 K color temperature produces natural white light.

  • Power: 4 W
  • Voltage: 220...

The Optonica SP4-A4 LED bulb has an A60 shape and an E27 base. The filament is visible through the glass body, while the 4500 K color temperature produces natural white light.

  • Power: 4 W
  • Voltage: 220 V
  • Luminous flux: 400 lm
  • Beam angle: 300°
  • Light color: Natural white
  • Color temperature: 4500 K
  • Base: E27
  • Shape: A60
  • Filament type: Filament
  • Material: Glass
  • ...
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  • Temperature

    4500

    Color temperature refers to how warm or cool the color is. The warmth of light is measured in Kelvin.

    The lower the Kelvin value, the more yellow the shades; the higher the value, the more blue the shades.

    Low color temperatures of 2700-3000K provide warm lighting, intermediate temperatures of 4000-5000K provide daylight, and high color temperatures of 5000-6500K provide cool lighting.

  • Color

    Natural White

    The natural white is similar to daylight.

  • Lumen

    400

    Lumens measure the amount of light produced by an LED lamp. The more lumens a lamp has, the brighter it is. 

  • Power

    The power refers to the amount of electrical energy consumed by a bulb when it is operating.

    2. It is measured in watts and determines how bright the light will be.

    3. For example, a three-bulb LED fixture that requires 15 watts can fully illuminate a room of approximately 10 square meters.

  • Application

    The application has to do with the bulb socket that is compatible with the light fixture's receptacle.

    E27
  • Shape A60

  • Size

    It concerns the size of the bulb and is important for compatibility/placement in the fixture. Before purchasing, ensure that the size, in addition to the fitting/socket of the bulb, is compatible with your fixture.

  • Filament

    The indoor lamp has a filament shape for a more retro aesthetic.

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Product report

Description & Specifications

The Optonica SP4-A4 LED bulb has an A60 shape and an E27 base. The filament is visible through the glass body, while the 4500 K color temperature produces natural white light.

  • Power: 4 W
  • Voltage: 220 V
  • Luminous flux: 400 lm
  • Beam angle: 300°
  • Light color: Natural white
  • Color temperature: 4500 K
  • Base: E27
  • Shape: A60
  • Filament type: Filament
  • Material: Glass
  • Length: 106 mm
  • Protection rating: IP20
  • Lifespan: 25,000 hours
  • Color rendering: Ra > 80
  • Energy class: A++
  • Frequency: 50–60 Hz
  • Start-up time: 0.2 s
  • Operating temperature: −30 °C to +50 °C
  • Mercury: Mercury-free
  • Quantity: 1

Manufacturer

Manufacturer Details

Warnings & Safety Information
Product Number
1858

Main Specifications

Power
4 W

Power

The power refers to the amount of electrical energy consumed by a bulb when it is operating.

2. It is measured in watts and determines how bright the light will be.

3. For example, a three-bulb LED fixture that requires 15 watts can fully illuminate a room of approximately 10 square meters.
Application
E27

Application

The application has to do with the bulb socket that is compatible with the light fixture's receptacle.

E27
Voltage
220 V

Voltage

The voltage of the bulb is measured in volts and the majority of bulbs operate at 220 volts.

2. In some cases, bulbs have a transformer with a voltage of 12 volts, 24 volts, or 42 volts.

3. To be sure, we examine what is written on the old bulb that we have removed.

220

Bulb powered by the mains electricity network.
Lumen
400 lm

Lumen: 400


Lumens measure the amount of light produced by an LED lamp. The more lumens a lamp has, the brighter it is. 
Beam Angle
300 °

Beam Angle

The beam angle refers to the surface covered by the lamp with light in the space.

2. The larger the value of the angle, the larger the surface it covers in the space.
Colour Temperature
Natural White

Colour Temperature

Natural White

The natural white is similar to daylight.
Colour Temperature
4500 K

Colour Temperature

4500

Color temperature refers to how warm or cool the color is. The warmth of light is measured in Kelvin.

The lower the Kelvin value, the more yellow the shades; the higher the value, the more blue the shades.

Low color temperatures of 2700-3000K provide warm lighting, intermediate temperatures of 4000-5000K provide daylight, and high color temperatures of 5000-6500K provide cool lighting.
IP Rating
IP20

IP Rating

It is an indicator that shows us the degree of protection of the LED lamp. The indicator (I) refers to protection against dust and the indicator (P) refers to the degree of waterproofness. The higher the numbers for each indicator, the better the protection.

2. Generally, lamps with an IP65 rating and above are waterproof and work well in outdoor conditions. Additionally, if it has not been certified for something, the "X" is used.

IP20
The IP20 index indicates that solid objects larger than 12.5 millimeters cannot penetrate, while there is no protection against water.
Shape
A60
Size
106mm

Size

It concerns the size of the bulb and is important for compatibility/placement in the fixture. Before purchasing, ensure that the size, in addition to the fitting/socket of the bulb, is compatible with your fixture.
Pieces
1 pcs
Opal (Milky)
No

Features & Functions

Filament
Yes

Filament

The indoor lamp has a filament shape for a more retro aesthetic.
Dimmable
No

Dimmable

The lamp has a brightness adjustment, from the lowest illumination to the highest intensity.

2. There are 2 ways to achieve this feature, either with a wall dimmer or with a remote control for the lamp.
Photocell
No

Photocell

The lamp features a sensor that activates when the lighting in the room is reduced.

2. It is ideal for spaces that require steady lighting during the night or outdoor applications.
Motion Sensor
No

Motion Sensor

The lamp has a sensor that activates when there is movement in the area.

They are ideal for parking lots, underground passages, garages, warehouses, public spaces, and building facades.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

1,89 €
14,00 €   shipping cost