Excelsys Technologies has over 20 years experience as a lead Excelsys Technologies has over 20 years experience as a leading power supply manufacturer and designer of high power density, high efficiency power supplies for a variety of specialist markets including Industrial, Medical, Lighting, Communications and Military. We serve original equipment manufacturers globally from our head office in Ireland, our sales offices in USA and China and our network of qualified and experienced distributors in over 30 countries worldwide. Together we have established Excelsys as the brand of choice for customers seeking the most reliable and cost efficient modular power supplies available in the market. Excelsys Markets and Applications Excelsys power supply manufacturer provides superior power supply solutions to a wide variety of high end engineering applications where there can be no compromise in reliability and performance. Our expert sales and applications teams have vast experience, working closely with our customer’s engineers they simplify system integration, enable rapid design in, reducing time to market. Whatever the application, there is an excelsys power supply solution to meet the requirements.