Keystone Rapid-Start CFL Ballast – 120–277V

Supports 1 or 2 CFL lamps (can also run up to 3)

Rapid-start ignition, suited for cold temperature & frequent on/off use

High efficiency: 3–5 % better than non-NEMA premium ballasts

Universal 120-277 V input for flexible installation

Includes stud-mounted back plate for easier mounting

Covered by Keystone’s 5-year warranty for dependable performance