KK900 series UPS is high frequency online UPS, be operated by CPU, perfect testing and protecting, 40KHz high frequency, small volume, light weight, high efficiency. No switch design and pure sine wave output makes the adaptive capacity of machine loading. Advanced RS232 interface and SNMP telemonitoring detection, visual LED display, they are the good partner 0f commercial servers, PC servers, peripherals equipment, communication equipment, network equipment and other precision electronic devices. Widely they are used in data-processing centers, mainframe systems, integrated computer network, ISP service provider, telecommunication, computer rooms. Self-diagnosis at UPS startup, Superior ability to adapt electric networks, High input power factor, energy saving, environment protection.