... of electric devices products,to control the electric valve opening and closing.Specification1,Operating valve ,380V 50Hz, three phase four wire system.2,Control ... the stop key, cut off the three-phase power supply, change any of the three-phase power supply two phase. 5,Press the off button, when ... the State; short 12, and 14, terminals, valve to close to run, to move the State.8,Rear panel fuse 5×20,1A ...