ATS 1).AC50HZ 400V DC220V 16-100A 2).3,4 ... widely used at the field of important power supply site,which transport,distribution power supply system and automatizaion system. For Fire ... , Ho-spital, Bank, Building etc., which doesn't allowed power off.2.StandardInternational standardIEC60947-1(1998)IEC60947-3(1999)IEC60947 ... 85.85.85.85.85.85.866 QGLD1 series automatic transfer switch (ATS)--100A