Owing to the requirements of highly stable and reliable DC power systems of telecommunication applications, Setnic provides the high frequency switching mode rectifier model 6815 (-48V/6000W) to the telecommunication service provider. The 6815 offers the features of compact, light weight, easy installation and operation, which not only saves the manpower of maintenance, but also guarantees the service quality of telecommunication applications. The typical applications of 6815 are telephone exchange central office, PABX, emergency DC power plant and railway switching control system.