Hi-Rel Electronics Limited manufactures and supplies Liquid-Cooled Industrial Variable Speed AC Drives. Hi-Rel Electronics Limited is an ISO-9001:2000 certified company. Liquid-Cooled Industrial Variable Speed AC Drives is used for all applications where robustness, dynamic performance, precision and power are required. It has been designed to provide the best possible control under all circumstances and thus to ensure a high operational quality and availability for the entire lifetime of the system. The Liquid-Cooled Industrial Variable Speed AC Drives has developed innovative solutions and leading-edge technology for demanding applications and high powers.