Satco S11732 15 Watt 4-Foot T8 LED Tube CCT Selectable 3500K 4000K 5000K Type B Ballast Bypass Medium Bi-Pin G13 Base 120–277V Frost Finish Emergency Backup

‌The Satco S11732 15-watt LED T8 tube provides efficient, high-performance lighting in a 48-inch format. Producing 2000 lumens at 80+ CRI, it delivers bright, even light that replaces traditional 32-watt fluorescent tubes while reducing energy consumption and maintenance costs. Equipped with a three-position CCT selector switch, this lamp offers selectable color temperatures at 3500K, 4000K, and 5000K. The adjustable output lets users choose warm, neutral, or cool white light depending on the application, ensuring optimal comfort and visibility in offices, classrooms, and industrial environments. Engineered for ballast-bypass installation (Type B), the S11732 connects directly to 120–277V line voltage for greater efficiency and reliability. The built-in driver eliminates compatibility issues and provides stable, flicker-free light output across a wide voltage range. Integrated emergency backup delivers 3.5 watts and 500 lumens for up to 90 minutes of illumination during power outages, automatically recharging in 24 hours. This feature ensures safety, compliance, and peace of mind in commercial and institutional settings where continuous light is critical. The frosted polycarbonate lens provides smooth, glare-free diffusion with a wide 140° beam angle for uniform coverage. Its aluminum housing enhances heat dissipation and structural durability, supporting 50,000-hour operation under demanding conditions.