Home / Specialty / Emergency Backup Drivers / EM for UFO High Bays / 277-480V Emergency Backup Driver for Highbays 277-480V Emergency Backup Driver for Highbays Categories: EM for Linear High Bays, EM for UFO High Bays, Emergency Backup Drivers, Specialty Description Description 30/40/60W 90 Minutes Emergency Time Related products 15W EM Backup for Downlights Add to Quote 8W EM Backup for Wall Packs Add to Quote 15W EM Backup for Linear Strips Add to Quote 60W EM Backup for UFO Highbays Add to Quote