The Keystone KTEB-228HE-UV-PS-SL Electronic Fluorescent T5 ballast operates two (2) F28T8 lamps at 277 at 120V This ballast is great for areas that require normal lighting! Program Start ballast is typically used in offices, board rooms, and retail. Also operates F28T5/HE,F21T5/HE, and F14T5/HE lamps.
Type: Electronic Fluorescent
Start Method:Program Start
Parallel Lamp Connection Series
Lamp: Two F28T8, F28T5/HE,F21T5/HE, and F14T5/HE lamps
Input Voltage: 120-277 vAC
Min/Max Temp: 0° to 90° C
Sound Rated Class A housing
Incredibly efficient 96% power factor
5 year warranty
Mounting Height: 8.96"
Meets FCC Part 18 (Class A) Non-Consumer Limits
Lamp end-of-life protected
FCC Part 18 Class A (Non-consumer)
Transient Protection Meets ANSI/IEEEC62.41 Cat. A