Hi-Rel Electronics Limited manufactures and supplies Digital UPS. Hi-Rel Electronics Limited is an ISO-9001:2000 certified company. Digital UPS is applicable for Industrial application, configurable in all available schemes for redundancy. It possesses IGBT based inverter; microcontroller based control and monitoring and also has the withstanding capability of operation in harsh environment. IP-53 protection class enclosure is also available in the Digital UPS. It is available with easy connectivity with PC for fault diagnostics control and is suitable for 100 % non-linear load.