BS EN 62310-3:2008 PDF

BS EN 62310-3:2008 Static transfer systems (STS). Method for specifying performance and test requirements The BS EN 62310 series of three standards applies to stand-alone operating a.c. static transfer systems (STS) intended to ensure the continuity of load supply through controlled transfer, with or without interruption of power, from two or more independent a.c. sources. This series of standards includes information for the overall integration of the STS and its accessories into the a.c. power network and includes requirements for the switching elements, their control and protective elements, where applicable.