... voltage cut off: >DC15V±1VLow voltage cut off: DC10V±0.3VInput low voltage protection: 9V±0.2VInput high voltage protection: 17VLow input ... etc. 3) Office area: Computer, printer, copier, scanner, digital camera and etc. 4) Kitchen utensils series: Micro-wave oven ... lighting lamps, 3P air condition, and etc. 6) Power tool series: electric saw, drilling machine, punching machines, air compressors etc ...