... Rated working voltage, transformer allows long running the same voltage effective value. Rated primary current SpecificationsModel No:MSQ-30,MSQ-40,MSQT-40, ... Rated voltage:AC 660V ; Production standard:IEC185 .Specifications:MSQ Current transformer1. Model No:MSQ-30,MSQ-40,MSQT-40,MSQ60,MSQ100 ;2. Frequency: 50 ... 52500/53000/51515151515151515151515150,800,800,941,101,16 electrical transformer/MSQ BH