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The Helvar EL1x24sc, formerly known as the EL SC 1x24HFC, is a dimmable high frequency electronic ballast for operating a single 24W T5 or 24W PL-L fluorescent lamp. It offers precise light control using a 1–10V dimming interface, supporting a full dimming range from 1% to 100%. Built with warm start ignition, this ballast ensures low energy consumption, flicker-free operation, and optimal cathode control for extended lamp life.
It operates on 220–240V mains and has a rated lifetime of up to 50,000 hours. With compact dimensions of 360 mm length, 30 mm width, and 21 mm height, and 350 mm fixing length, it fits seamlessly into slim luminaires. The ballast carries an energy efficiency class of A1 and allows for simultaneous lighting control through both switch-control and analog systems, making it a reliable solution for commercial and professional lighting needs.