Keystone Instant-Start T8 Ballast for 2-3 Lamps – 120–277V

Operates 2 or 3 F17, F25, F32 T8 lamps (including U-bend equivalents) or (2) F40T8 lamps

Instant-start with normal ballast factor for smooth startups and consistent output

120–277V universal input supports commercial and residential fixtures seamlessly

Delivers 3–5% greater energy efficiency over standard ballasts

Compact design ideal for retrofits, troffers, or new installations in offices, schools, warehouses

Backed by Keystone’s 5-year warranty for peace of mind