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        Low Pressure Sodium lamp with improved efficacy


        Extremely high luminous efficacy makes these the most efficient light sources


        Uniform sodium distribution in the discharge tube by means of dimples for a more stable discharge, higher efficacy and better lumen maintenance and lamp life
        Special coating of SOX-E outer tube results in higher lamp efficacy than SOX
        Monochromatic yellow color with non-existent color rendering


        Road lighting, railway marshalling yards and crossings, airports, harbours and docks, quarries, foundries and rolling mills
        Security and orientation lighting

        Warning & Safety

        Lamps may use electronic or electromagnetic control gear
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