uninterrupted power supply(UPS) is a technically-modified new product of the company on the basis of the previous UPS-500VA... 1. ApplicationBack-up UPS is a technically-modified new product of the company on the basis of the previousUPS-500VA one and has multifunction as automatic voltage regulation of local electricity,sychronous switches for users load,protections of over-voltage,overvoltage, ...
[China Manufacturers]