With origins dating back more than 50 years, Keystone Technologies is proud to offer a line-up of highly reliable, electronic fluorescent ballasts. You will find Keystone products used by many of the worlds leading lighting fixture manufacturers and contractors. These organizations have chosen Keystone products because of their commitment to engineer only the best ballast products for the market.
This Keystone Ballast SS22WSTP, 120 volt, 60 Hz ballast uses Preheat Start operation and has a 32 degree F temperature starting capability. These magnetic fluorescent ballasts have a Class A sound rating. This Keystone ballast is capable of operating either (1) FC6T9 (20 Watt) or FC8T9 (22 Watt) lamp. The input voltage is 120 and is thermally protected. This magnetic fluorescent ballast is UL and cUL listed (Class P, Outdoor, Type 1). The dimensions on this ballast are 3.10" Long x 1.89" Wide x 1.42" High. This Keystone Ballast carries a 3 year warranty.
Utilizing a team of the most highly regarded engineers in the industry, Keystone develops their products with a focus on lasting quality, energy efficiency, and reliability. Products do not come to market until they have passed rigorous quality assurance procedures, with zero tolerance for "less than ideal" performance. Customers have come to depend on Keystone as their preferred source for outstanding ballast products.