... valve controller is the valve electric device product, used to control electric valve opening and closing Technical parameters1,Operating voltage, 380V ... 50Hz three phase for-wire system.2,Control power, BFA-1 1.1Kw BFA-2 1.1Kw-4 Kw3 ... terminals 3,Press the power key, the power led is lit, live remote control switch point to the remote control, remote control indicator lights 4 ...