Helvar EL3/4 4X14w s-u electronic ballast

Helvar EL3/4 4X14W s-u is an electronic ballast by Helvar, designed to control T5 14W fluorescent lamps in 3 or 4 light source configurations. Its steel housing ensures durability and reliability, while the compact dimensions of 280 × 30 × 21 mm allow straightforward installation inside ceiling fixtures and recessed luminaires. The electronic system operates at an input voltage of 220–240 V and carries an IP20 protection rating, making it suitable for indoor installations in protected environments.

This electronic ballast stands out for its energy efficiency class A2 rating and an operational lifespan of up to 50,000 hours, making it a reliable and long-lasting solution for both professional and residential lighting systems. The s-u model is non-dimmable and compatible with T5 14W fluorescent tubes, with a fixing length of 270 mm for easy mounting on standard tracks. Thanks to its electronic operating mode, it eliminates the flicker typical of traditional magnetic ballasts, ensuring stable and comfortable light output.