ROBERTSON 000791 RSS240T12MVIP, Individually Packaged, 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 energyefficient ballasts available. No PCB"s are used in the manufacture 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. Robertson Worldwide does not guarantee the accuracy of the cross references listed above. Please consult the spec sheet or technical details to verify the ballast will work for your applications before purchasing.