SSR 1.DC-DC,AC-AC,DC-AC, 2.single phase,three phase, 3.industrial/voltage/current 4 ... HTL, CMOS integrated circuits and etc; While the output loop adopts SCR or GTR to switch on andoff ... current. There is photocoupler to isolate the input and output, no movable contact parts. It comes with the ... of relay (EMR) family. SpecificationControl Methods: AC-AC,DC-ACLoad current: 10A,20A,25A,40A,60A,80A,100A( ...