The RAB Lighting HIDFA-270S-EX39-8CCT-BYP/480V is a field-adjustable 270/200/135W LED post top lamp with an EX39 mogul base, designed as a direct HID replacement for area lighting, street lighting, and post-top luminaires on 277480V systems. Output ranges from 23,161 to 45,869 lumens with selectable 3000K/4000K/5000K CCT, CRI80, ballast bypass operation, and a rated 50,000-hour lamp life.