OSRAM LUMILUX T8 | 18W/840 | 2ft Cool White Fluorescent

The Osram 517797 (L 18W/840) is a highly reliable 2-foot linear fluorescent lamp designed for professional and commercial lighting. Delivering 1,350 lumens of crisp 4000K Cool White light, this T8 tube features advanced Lumilux phosphor technology for superior color rendering (CRI 80-89). With a robust 20,000-hour rated life, it is an efficient solution for offices, retail spaces, and workshops. This lamp is engineered to maintain high lumen output throughout its lifespan, ensuring consistent brightness and reduced maintenance costs when paired with quality electronic ballasts.

Product Overview

The Osram 517797 belongs to the Lumilux family, known for its excellent economy and performance. The 4000K color temperature provides a clean, neutral environment that aids in concentration and visibility, making it the preferred choice for industrial facilities, schools, and storage areas. This linear lamp is compatible with both conventional and electronic control gear, though it is optimized for use with electronic ballasts to maximize the 20,000-hour service life. Its mercury-free disposal classification and high efficiency make it an environmentally conscious choice for upgrading aging T12 systems or maintaining high-standard T8 installations.

• Excellent Color Rendering: 80..89 CRI ensures that colors appear accurate and natural.
• High Efficiency: Delivers exceptional light output relative to its energy consumption.
• Lumen Maintenance: Designed to provide 90% of initial light output throughout the life of the lamp.
• Proven Technology: A staple in the industry for modular luminaires and cove lighting.

Technical Specifications

• Brand: Osram
• Model: Lumilux T8 L 18W/840 (NAED 517797)
• Wattage: 18W
• Luminous Flux: 1,350 Lumens
• Base: G13 (Medium Bi-Pin)
• Color Temperature: 4000K (Cool White)
• CRI: 80-89 (Class 1B)
• Rated Average Life: 20,000 Hours
• Dimensions: 590mm (MOL) x 26mm (Diameter) / 24 Inches
• Mercury Content: 2.5 mg
• Energy Efficiency Class: G (New Scale)

Recommended Ballasts & Components

• Osram Recommended: QT-ECO 1X18-24/220-240
• Alternative: Compatible with most standard 18W T8 electronic or magnetic ballasts.
• Starters: If using magnetic ballasts, ensure the use of a high-quality starter (e.g., Osram St 111).

Primary Applications

• Office Lighting: Neutral light for productive workspaces.
• Public Buildings: Reliable, long-lasting illumination for corridors and halls.
• Retail: Clear visibility for shelving and aisles.
• Workshops: High-quality task lighting for industrial settings.