LED Power Supplies for professional applications are QLT's specialty: founded in 1986 in Rescaldina near Milan, the company designs and manufactures electronic drivers and power supplies in Italy. The Lombardy-based company's engineering approach translates into certified solutions for LED strips, spotlights and architectural fixtures, with a consistent research investment exceeding fifteen per cent of annual profits.

The QLT catalogue covers the entire LED power supply range: from constant current drivers for spotlights and downlights, to constant voltage power supplies for strips and luminous signs. Each product is tested according to current European standards, ensuring compatibility with all major control systems. The range is completed by dimmers and brightness regulators and a selection of electronic components for custom installations.

Among QLT's reference products are the PL series for constant current and the ALE series for constant voltage, suitable for residential and commercial environments. Energy efficiency reaches levels compliant with the ErP directive, with high power factor and compact dimensions that facilitate integration into any lighting fixture.