SOX 90W Low Pressure Sodium (LPS) Light Bulb

Glow Object SOX 90W Low Pressure Sodium (LPS) Lamp — Direct Replacement for Philips SOX 90W

Direct Replacement for SOX 90W Systems

Designed as a compatible replacement for Philips SOX 90W and similar 90W low pressure sodium lamps used in existing ballast systems. Standard B22 base for major road infrastructure, highway lighting, bridge and port installations, and large-scale outdoor applications. Ballast required, not included.

Major Road, Highway and Bridge Lighting

The 90W output is a standard specification for high-traffic road infrastructure including major highways, arterial roads, bridge lighting, overpass illumination, and tunnel approaches. The high-efficacy monochromatic amber sodium output delivers strong light penetration across wide road surfaces, making it a preferred choice for infrastructure lighting where consistent coverage over large areas is required.

Extreme Weather and High Penetration Environments

Low pressure sodium lamps are known for superior light penetration in adverse weather conditions including fog, rain, and coastal mist. The 90W SOX lamp is commonly specified for port facilities, seaport perimeters, coastal infrastructure, harbor lighting, and marine environments where fog penetration and visibility under extreme weather conditions are critical operational requirements.

Port, Industrial and Large-Scale Outdoor Infrastructure

Suitable for seaport facilities, industrial perimeters, airport taxiway surroundings, large parking structures, logistics centers, and open industrial areas requiring high-output amber sodium illumination across large outdoor spaces. The 90W rating covers medium to large infrastructure zones efficiently with long lamp life and low maintenance requirements.

Dark Sky and Ecological Lighting

The narrow 589nm sodium spectrum produces zero blue light output, making the SOX 90W suitable for large-scale dark sky compatible installations, coastal wildlife protection zones, sea turtle nesting area perimeter lighting, and ecological lighting projects where minimizing impact on nocturnal wildlife across wide outdoor areas is required.

Stage Lighting, Art Installations and Indoor Creative Use

The high-output monochromatic amber sodium glow of the 90W lamp creates a powerful single-color atmosphere used in professional stage lighting, theater productions, cinematic film sets, large-scale art installations, immersive exhibitions, and science experiments requiring intense monochromatic sodium illumination. The distinct amber output is not replicable with LED or filtered lighting systems at this intensity level.

Room Size Reference

Frequently Asked Questions

Why is the SOX 90W used for highway and bridge lighting?

The 90W output provides high-efficacy illumination across wide road surfaces with strong light penetration. Low pressure sodium lamps are also known for superior performance in fog and adverse weather, making them a preferred specification for major road infrastructure, bridge lighting, and coastal installations.

Does this lamp perform well in fog and extreme weather?

Yes. Low pressure sodium light at 589nm penetrates fog, rain, and coastal mist more effectively than white light sources. The SOX 90W is commonly used in port facilities, harbor perimeters, and coastal infrastructure for this reason.

Can this lamp be used for stage lighting and art installations?

Yes. The high-output monochromatic amber sodium glow creates a powerful single-color atmosphere used in professional stage productions, cinematic film sets, large-scale art installations, and immersive exhibitions. The intensity and spectral purity of the 90W output is not replicable with LED or filtered alternatives.

Does this lamp require a ballast?

Yes. A compatible 90W low pressure sodium ballast is required and is not included. This lamp is not self-ballasted.

What base does this lamp use?

Standard B22 / BY22d bayonet base, compatible with existing SOX 90W fixtures and ballast systems.

Is this lamp dark sky friendly?

Yes. The narrow 589nm sodium spectrum produces zero blue light, making it suitable for large-scale dark sky compatible installations and coastal wildlife protection lighting.

Technical Details

Model: SOX 90W Compatible Lamp
Base: B22 / BY22d Bayonet
Light Type: Low Pressure Sodium (Monochromatic Amber)
Applications: Highway lighting, bridge and port infrastructure, fog penetration environments, stage lighting, large-scale art installations, and dark sky compatible outdoor lighting.