Keystone Electronic Ballast, 1 or 2 Lamps, Instant Start, F32T8, F25T8, F17T8 or F40T8, 120-277V

This Keystone Electronic Ballast delivers reliable performance for single or dual-lamp fluorescent fixtures, supporting F32T8, F25T8, F17T8, and F40T8 configurations. Operating seamlessly across 120-277V systems, it combines energy efficiency with robust engineering. Built to exceed industry standards including DOE 2014 compliance, ANSI C82.11 and C62.41 certification, and FCC Part 18 Class A limits, this ballast ensures dependable operation in demanding environments. Its Class A sound rating minimizes noise disruption, while advanced anti-striation circuitry guarantees flicker-free illumination. Rated for outdoor use with UL and cUL listing, it handles ambient temperatures up to 105°F and case temperatures reaching 167°F, making it the ideal choice for warehouse and industrial lighting applications requiring durability and compliance.