Keystone Technology's program start T8 ballasts provide an extremely quick, lamp friendly start-up for any T8 lamp system. Designed specifically for use with numerous types of occupancy sensors, maximizing your energy savings by using Keystone program start T8 ballasts is easy in applications such as high bay, corridor and stairwell lighting, or other environments controlled by motion, ultrasonic or daylight sensors. Keystone's program start T8 ballasts have earned the prestigious NEMA Premium mark and are qualified by the Consortium for Energy Efficiency (CEE) for the highest levels in energy efficiency.
This Keystone Ballast KTEB-432-UV-PS-L-P, 120/277 volt, 50/60 Hz ballast uses Program Start Reduced Light Output operation and has a 0 degree F temperature starting capability. These electronic fluorescent ballasts have a Class A sound rating. They utilize parallel circuitry to keep the remaining lamps lit if one should go out. This Keystone ballast is capable of operating (3 or 4) F32T8 (25W, 28W, 30W or 32W), F25T8 or F17T8 lamps or (3) F40T8 lamps. The Input Voltage is 120/277. They are UL Listed, RoHS Compliant, CEE Qualified, NEMA Premium, and meet FCC Part 18 (Class A) non-consumer limits and the Transient Protection meets ANSI/IEEE C62.41 Category A.
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. These electronic fluorescent ballasts carry a 5 year warranty.