High Efficiency for Valve Controller Easy for Installation Low Cost, High quanlity Product nameBFA Electric valve controllerSummarizeBFA ... and closing Technical parameters1,Operating voltage, 380V 50Hz three phase for-wire system.2,Control power, BFA-1 1.1Kw BFA-2 ... , 13, 14 terminal can not answer. Electric valve controller for automatic control system, 12, 13, 14 terminals used to "auto away" and ...