GE Lighting Fluorescent Electronic Ballast GE240RS120

9.5 INCH LENGTH X 1.3 INCH WIDTH X 1 INCH HEIGHT SIZE 50 DEG F, 32 DEG F MIN. STARTING TEMPERATURE 20 PERCENT, 25 PERCENT MAX. THD 50/60 HERTZ FREQUENCY RATING UL, CSA APPROVAL 2 LAMP(S) F34T12/F40T12 LAMP TYPE 34/40 WATT LAMP WATTAGE 120 TO 277 VOLT INPUT VOLTAGE SERIES WIRING RAPID START STARTING TYPE 98 PERCENT, 96 PERCENT POWER FACTOR 0.85 BALLAST FACTOR PROLINE[TM] BRAND APPLICABLE STANDARD ANSI C62.41/C82.11 TEMPERATURE RATING 221 DEG F