... supply different kinds of single phase & three phase SCR power regulator,thyristor power controller,SCR power regulator. single phase SCR power controller new version ... ,9KW,15KW,22KW,28KW,33KW,39KW,44KW.Auxiliary power source: 220VACnput signal: 4~20mA,1~5VDC,2~10VDC,0~20mA ... for selection or switch.* Automatic detection and display for power out of phase, SCR overheating, and fuse burn-down with one ...