... 3.Rated Voltage:240V and DC 240V below. 1.ApplicationYZG2 series over voltage suppressor, has small volume, simple structure, strong ... and JZC3, JZC3-d contactor way relay inside, it will not much installl area through hung connect plug install face inside ... can reduce coil vibration frequecy and overload peaks,its series resistance used for restrict charging current of closing control contact ...