Ups systems provide secure power to mission critical loads in refineries, petrochemicals, power generation, steel and process industries data processing applications, etc. These feature input reactors to minimise ac mains notching, automatic battery charging flot/boost mode selection with current limit, high-efficiency igbt based inverter and specially designed output transformer for pwm operation. Microprocessor based digital control and redundant control power supplies, rs232c interface and programmable potential free contacts are standard. Programmable static switch with up to +/6 percent synchronisation window is present. They have comprehensive led mimic and led+keypad and front access oriented layout.
