SOX 55W low pressure sodium lamp
The SOX 55W (Part No. LS-55-BY22d / L71RB-55) is an energy-efficient low pressure sodium (LPS) lamp engineered for commercial, municipal, and industrial outdoor lighting applications. Fully compliant with ANSI L71 standards, it features a durable T17 tubular glass bulb with a standard BY22d bayonet base, emitting a 589nm monochromatic yellow light that provides maximum optical clarity and superior fog penetration.
Key Features:
• High Energy Efficiency: Delivers powerful monochromatic light output at 55W with minimal power consumption.
• Direct Industry Standard Replacement: Fully compatible with standard ANSI L71 control gear and outdoor fixtures.
• Superior Fog & Haze Penetration: Monochromatic 589nm yellow light minimizes light pollution and glare in harsh weather conditions.
• Compact T17 Dimensions: Measures 425mm x 54mm (16.7" x 2.13") for standard fixture fitting.
Applications:
Widely used for outdoor lighting across highways, municipal streets, parking lots, airport perimeters, bridge underpasses, and industrial yards.
(Contact us for bulk pricing, spec sheets, or OEM wholesale quotes.)
Tech Specs
• Product Model: SOX 55W
• Order Code / Part No.: LS-55-BY22d
• Industry Ref / Cross Code: L71RB-55
• ANSI Code: ANSI L71 Compliant
• Wattage: 55W
• Bulb Shape: T17
• Cap / Base: BY22d
• Dimensions: 425mm x 54mm (16.7" x 2.13")
• Light Wavelength: 589nm (Monochromatic Yellow)
• Application: Street, highway, and industrial outdoor lighting
