ROBERTSON 000807 RSS240T12MVQP, Quik-Pak of 10 Individually Packaged Units, Energy Efficient Electronic Rapid Start Ballast, High Power Factor, Normal Ballast Factor, Parallel Lamp Operation. This High Frequency Ballast operates (2) F40T12, F40T12/ES, F30T12 lamps and is a direct replacement for most commercial and residential magnetic ballasts operating the same lamps. Robertson ballasts are among the highest energy-efficient ballasts available. No PCB"s are used in the manufacturing of this product keeping our planet green. Meets FCC Part 18 (Class B) for EMI and RFI Consumer Limits. Meets ANSI Electronic Ballast Standards C82.11 and ANSI Transient Surge Protection C62.41. Designed to meet National and Local electrical and fire codes. Maximum Case Temperature 167°F/75°C, Minimum Start Temperature 0°F/-18°C. Other features include; Inherent Thermal Protection, Remote Mounting at 18 ft, UL Listed, CSA (cUL) Certified; Class P, Type HL, Type 1 Outdoor, and RoHS Compliant.