OSRAM DULUX® L | 55W 4000K | 2G11 4-Pin Compact Fluorescent Lamp

The Osram Dulux L 55W/840 is a high-output linear compact fluorescent lamp (CFL) engineered for high-performance commercial and industrial lighting. Delivering a powerful 4800 lumens with a crisp 4000K Cool White color temperature, this twin-tube lamp provides a bright, professional atmosphere with a high color rendering index (CRI 82). Featuring a 2G11 4-pin base and a slim T5 profile, it is designed for maximum efficiency and longevity, boasting a 20,000-hour rated life. Compatible with magnetic, electronic, and dimming ballasts, it serves as an ideal solution for large-scale modular luminaires and architectural lighting systems.

Professional Linear CFL Performance

The Lumilux Dulux L series offers the brightness of a traditional linear fluorescent in a more compact, single-ended form. The 55W model is specifically designed for high-lumen fixtures, providing superior energy efficacy. Its 4000K neutral spectrum is the industry standard for productivity-focused environments, ensuring excellent visual comfort while reducing energy consumption compared to high-wattage incandescent alternatives.

• Superior Luminous Flux: 4800 lumens provide intense illumination for high-ceiling applications.
• High Efficacy: Delivers significant energy savings when used with high-frequency electronic ballasts.
• Versatile Control: Fully dimmable when paired with appropriate dimming control gear.
• Industrial Reliability: Made in Italy, ensuring high manufacturing standards and consistent quality.

Technical Specifications

• Brand: OSRAM
• Series: DULUX® L Lumilux
• Model: 55W/840 2G11
• Wattage: 55W
• Color Temperature: 4000K (Cool White)
• Luminous Flux: 4800 lm (Initial)
• Color Rendering Index (CRI): 82 Ra
• Base Type: 2G11 (4-Pin)
• Length (MOL): 22.4 in (565 mm)
• Diameter: 0.63 in (16 mm)
• Rated Average Life: 20,000 Hours

Cross Reference & Ballast Compatibility

• GE: F55BX41
• Philips: PL-L 55W/841/4P
• Ushio: CF-L55SE/841
• Compatible Ballasts: Advance ICN-2S54, GE #72279 GE254MVPS-D, Sylvania QTP2x54T5HOUNVPSN, Universal B254PUNVHB-D.

Note: Sold 10 lamps per case. For high-frequency operation, ballasts with end-of-life (EOL) shutdown circuits are recommended.