Thomas Research Products is a leading global supplier of LED drivers, offering a comprehensive range of long-life constant current, constant voltage and 0 - 10 V dimmable drivers. Each of our designs is optimized for quality, energy efficiency, long life and cost competitiveness. Thomas Research Products also offers you surge suppressors, step-down transformers (which may also be required with LED drivers in many applications). Surge suppressors provide an additional layer of protection against dangerous power transients. The step-down transformer allows operation of the drive with 480 V or 347 V mains voltage.