High pressure sodium vapor lamps E40 | E27 | RX7s | GX12-1 | PG12-1 | FC2 base
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Sodium lamps – one of the most efficient types of discharge lamps, known for their exceptionally high ratio of luminous flux to energy consumption. They emit a warm yellowish or orange light that penetrates well through fog, smoke, or precipitation, which is why they have long been widely used for street, road, industrial area, warehouse, and sports field lighting.
This product group includes sodium lamps with different base types – E40, E27, GX12-1, and PG12-1, allowing users to choose according to the luminaire or lighting system in use.
Features
High luminous efficiency – produces a large amount of lumens while consuming relatively little electricity.
Long service life – typically from 12,000 to 24,000 hours.
Wide application – from household yard luminaires to professional urban lighting systems.
Resistance to environmental conditions – works reliably outdoors, ensuring good visibility even in bad weather.
Base versatility – suitable for various lamp holders (E40 – for powerful floodlights, E27 – for smaller fixtures, GX12-1 and PG12-1 – for professional lighting systems).
Applications
For households: in yard, garden, or utility building fixtures.
For engineers: when designing lighting systems for industrial parks, sports fields, warehouses, or production facilities.
For electricians: as a primary solution for street and road lighting systems requiring durable and efficient lamps.
For municipalities and infrastructure companies: widely used for public space and road illumination.
Pros
Very high energy efficiency.
Long lifespan with fewer replacements and lower maintenance.
Strong light penetration through fog, rain, and smoke.
Reliability in industrial and outdoor conditions.
Cons
Limited color spectrum – light is usually orange or yellow, not ideal where accurate color rendering is required.
Longer warm-up time – reaches full brightness only after a few minutes.
Requires special ignition starters or ballasts.
Sodium lamps (E40, E27, GX12-1, PG12-1) – a reliable, energy-saving solution suitable for lighting both smaller residential spaces and large industrial or public areas. Although the color spectrum is limited, these lamps stand out for their durability, efficiency, and unmatched reliability in outdoor conditions.
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