... supply different kinds of single phase & three phase SCR power regulator,thyristor power controller,SCR power regulator. Three phase SCR power controller new version S9 ... overheating, and fuse burn-down with one set of alarm dry contact output.* In cases of SCR overheating or fuse burn ... ,1~5VDC,2~10VDC,0~20Ma,0~5VDC,0~10VDC, dry contact points, etc. and all control signals are ready to ...