... high efficiency, reliable performance, and time-delay, over-voltage etc, the series of stabilizers of the general type, ... operation of your power driven equipment.Technial indexInput voltage: 150v~250vOutput voltage: 220V±3%,110±3%Phase: Single-phaseFrequency: ... ,1KVA4A,1.5KVA6A,2KVA8A,3KVA12A,5KVA20A,10KVA40A,15KVA60A,20KVA80AOver voltage protection: 246V±4VAmbient temperature: -5°c~+40°cTemperature ...