Excelsys Technologies Ltd. - Excelsys Technologies Ltd. is a modern and progressive world-class power supply company providing quality products to OEM equipment manufacturers around the world. Excelsys has achieved this by combining the latest technology, management methods and total customer service philosophy with a 20 year tradition of reliable and innovative switch mode power supply design, manufacture and sales. Excelsys Technologies Ltd. formerly traded as Delaire Ltd. +More Excelsys is located in a modern factory, with a highly skilled staff who take pride in their ability to provide total customer satisfaction. We achieve this through quality of service and product and by offering a superior price performance ratio solution to our customers' needs. Where advice, support and high quality power solutions are needed, Excelsys excels! -Less