Keystone KTSB-E-0848-46-UV Electronic Sign Ballast - Instant Start for 4-6 Lamps (8-48 Foot, 120-277V) - Ideal for Commercial Signage, Outdoor Lighting & Neon Displays

Ensures the sign remains lit even when a single lamp fails. Reduces inventory with the versatility of just 4 parallel wire ballasts to operate T8HO. Pack of 1 Unit Color : White Dimmable : No Frequency Rating : 50/60 Hertz Lamp Type : F72T8/Ho Minimum Starting Temperature : -20ºF Number Of Lamps : 4 to 6 Power Factor : Greater than 0.96 Start Type : Instant Start Type : Sign Ballast Voltage Rating : 120/277 Volts Wattage : 365/410 Watts Length : 14.45 Inches Width : 3.23 Inches Height : 2.20 Inches Weight : 9.7 Pounds Country of Origin : UKN Standard : UL, cUL 935 Listed