Warehouse-Lighting.com stocks the Keystone electronic
ballast for one or two lamps, including the F28T5/HE, F21T5/HE and F14T5/HE.
Now in its third generation of family ownership, this Pennsylvania company is
known for its quality products, which have less than an 0.1 percent defect
rate. Keystone backs up this quality electronic ballast with a five-year
warranty and is known for its no-questions-asked return policy.
This 120-277V ballast features a program start, which means
that it will be easy on the equipment that it controls, adding to its
longevity. The power factor is high, and the ballast factor is normal. Minimum
start temperature is 0 degrees Fahrenheit.
If you have any
questions about how to fit this Keystone electronic ballast into your lighting
plans, just give us a call at our toll-free number, use our quick and easy
online chat form or website questions form, or email us. Our staff of trained lighting
experts will give you no-nonsense answers that will help you complete your
project economically and with satisfying results.