... controller,SCR power regulator. single phase SCR power controller new version S9 series. zero cross control and Phase angle controlMain power voltage: 200-480VAC Rated ... for power out of phase, SCR overheating, and fuse burn-down with one set of alarm dry contact output.* In cases of ... ~5VDC,2~10VDC,0~20Ma,0~5VDC,0~10VDC, dry contact points, etc. and all control signals are ready to use ...