... -100W TC-200W TC-300W 110V---------------->220V 60HZ--------50HZTC-500W TC-750W TC-1000W TC-1500W 220V---------------->110V TC-2000W TC-3000W TC ... , high precision output voltageApplication: Computers, Duplication, ILLumination system, Medical instrument Refrigerator,Safety warning equipment, Program -controlled telephone, Experimental instrument, Communication system ...