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  • Low pressure sodium vapor lamp BY22d | 37W | 70V | 1800K | 4550lm | Philips

    Code: 79739
    Barcode: 8711500179739

    High-efficiency low-pressure sodium vapor lamp, designed for use in areas where economical, reliable, and long-lasting lighting is required. The lamp stands out for its durability, exceptionally high luminous efficacy, and very low energy consumption. Suitable for both domestic and professional use – from street lighting to industrial facilities and special lighting solutions. 

  • Technical Specifications
    Model: SOX 35W BY22d 1SL/12
    Power: 37 W
    Base: BY22d
    Operating voltage: 70 V
    Color temperature: 1800 K
    Luminous efficacy: 129 lm/W
    Energy consumption: 43 kWh/1000 h
    Lifetime: up to 18,000 h (50% failures)
    Mercury content: 0 mg (environmentally friendly)
    Dimmable: No
    Operating position: H110

    Features

    Very high luminous efficacy – economical lighting for long-term use.

    Special color (1800 K) – emits amber-colored light suitable for outdoor visibility.

    Reliable operation with electronic or electromagnetic control gear.

    Eco-friendly solution – mercury-free.

    Durability – up to 18,000 operating hours, reduced maintenance costs.

    Application

    For home users: suitable for lighting yards, gardens, garages with compatible equipment.

    For engineers: applicable in industrial facilities, tunnels, warehouses where economical, long-lasting lighting is crucial.

    For electricians: easy installation with BY22d base, usable with electronic and electromagnetic control gear.

    For municipalities and infrastructure managers: suitable for street, road, and bridge lighting.

    Pros

    High luminous efficacy

    Long lifetime – up to 18,000 hours

    Eco-friendly – mercury-free

    Reliable and stable performance in various conditions

    Cons

    Not dimmable

    Requires special control gear (electronic or electromagnetic) 

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.
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