Made the Right Way the Good Way

The EL240-120/277HF Electronic Fluorescent Ballast embodies performance built on reliability, safety, and efficiency. Engineered for precision, this high-frequency ballast operates one or two F30, F34, F40T12RS, or F40T10RS fluorescent lamps with consistent illumination and quiet confidence. Designed for flexibility and longevity, it brings modern control to traditional lighting systems — the right way, the Good way.

Power and Versatility

Running on universal 120–277 Volt input, the EL240-120/277HF adapts easily to diverse commercial and industrial lighting environments. Its high power factor ensures minimal energy waste, delivering maximum lumen output with optimized efficiency. Whether lighting offices, classrooms, or work bays, this ballast provides stable, high-quality light where you need it most.

For the Love of Silence

With a Class A sound rating, this ballast delivers whisper-quiet operation — no hums, no buzz, just steady performance. From libraries and healthcare facilities to retail spaces, it ensures that your lighting never distracts from what matters most.

Safety That Matters

Protected with inherent thermal safeguards, this ballast defends against overheating and ensures consistent, reliable operation under demanding conditions. Built with no PCBs, it meets environmental standards and provides peace of mind for safe use and disposal.

Efficiency That Works

The EL240-120/277HF operates at a high frequency, reducing flicker, improving lamp performance, and increasing energy efficiency compared to older magnetic ballasts. Solid 18 AWG wire leads ensure secure connections, while its compact housing makes installation simple and efficient. Each ballast is date-coded for quality assurance, ensuring every unit meets exacting standards.

Built for Performance

Designed with an 18-foot maximum ballast-to-lamp distance, the EL240-120/277HF provides installation flexibility for large layouts. Compact yet powerful, it measures just 9.47 inches long, 1.75 inches wide, and 1.25 inches high, fitting easily into a wide range of fixture housings. Wherever precision and performance are required, this ballast delivers — built strong, designed smart, and engineered to last.

Applications

Ideal for commercial, retail, industrial, and institutional lighting systems, including offices, schools, hospitals, and work facilities utilizing T12 or T10 rapid start lamps.

Light the Right Way

The EL240-120/277HF Electronic Ballast provides efficiency, safety, and performance — made the right way, the Good way. Whether maintaining legacy T12 systems or upgrading for consistent energy savings, this ballast delivers trusted illumination built to last.