ЛД 40-4
![](https://old-lighting.ru/sites/default/files/styles/lamp_drawing/public/pictures/catimages/2016/05/07/img_0006.jpg?itok=4Kwlzsr0)
Category:
![](https://old-lighting.ru/sites/default/files/styles/lamp_drawing/public/pictures/catimages/2016/05/07/img_0006.jpg?itok=4Kwlzsr0)
Encyclopedia chapter: General purpose low-pressure mercury discharge fluorescent lamps
Power (W): ![](data:image/png;base64,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)
Luminous flux (lm): ![](data:image/png;base64,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)
Average life (h): ![](data:image/png;base64,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)
Diameter (mm): ![](data:image/png;base64,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)
Length (mm): ![](data:image/png;base64,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)
Bulb type: ![](data:image/png;base64,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)
Cap/base type: ![](data:image/png;base64,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)
Please login or register to see all avaliable data on this lamp type.
![Subscribe to RSS - ЛД 40-4](https://old-lighting.ru/misc/feed.png)