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 20W EM Backup for Downlights Add to Quote 8W EM Backup for Vapor Tight Fixtures Add to Quote PPA102S AC Power Pack Add to Quote EFS104 Motion Sensor for Linear High Bay & Strip Lights Add to Quote