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LED bulb Osram ST CLAS A 19 W E27 Warm white 2700 K
The Osram ST CLAS A 19 W E27 Warm white 2700 K LED bulb by Ledvance delivers 19 W power and warm white light at 2700 K with a luminous flux of 2452 lm. Designed for standard E27 fittings, the lamp offers a beam angle of 150° and a Color Rendering Index (CRI) of 80, with a rated lifetime of approximately 15,000 hours. It is suitable for domestic and general illumination and may be used outdoors only in appropriate luminaires.
This LED bulb provides efficient lighting with a high luminous flux for its wattage, a warm colour temperature that suits living spaces, and a long service life of up to 15,000 hours. The standard E27 cap ensures compatibility with common fixtures, while the 150° beam angle offers wide light distribution. The CRI of 80 delivers acceptable colour rendering for everyday applications.
Ensure the light fixture accepts an E27 lamp and is switched off before installation. Screw the bulb into the socket until secure, then switch the power on. Use the bulb in dry indoor locations or place it in a suitable outdoor luminaire that provides protection from weather and moisture if used outdoors.
For optimal performance, replace bulbs with the same fitting and similar luminous flux; avoid installing dimmable bulbs on non-dimmable circuits. When used outdoors, select luminaires rated for exterior use to protect the lamp from direct exposure to water and extreme conditions.
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Rating of how efficiently a device uses energy, affecting power consumption and costs.
A method of describing the color characteristics of light, usually either warm (yellowish) or cool (bluish). Usually measured in degrees of Kelvin (°K).
More energy-efficient light technologies often require less power than original bulb technology. The equivalent bulb power compares the power of a new bulb with the power for an original bulb to produce the same amount of light.
The length of time that the bulb will last for.
Luminous flux or luminous power is the measure of the perceived power of light measured in lumen. The luminous flux is a weighted sum of the power at all wavelengths in the visible band.
The type of fitting (used in pipe plumbing systems to connect straight pipe or tubing sections, to adapt to different sizes or shapes, and for other purposes, such as regulating or measuring fluid flow) or cap (a pipe fitting used to seal the end of a pipe).
The power of the lamp, usually measured in watts (W).
The colour of the light produced by the product.