... serves the occasions that require the automatic control of air pressure.Technical parameters ModelRated voltage(V)Rated Current(A ... producing and exporting low voltage electricity, including ac contactor, air pressure switch, magnetic starter, motor protector, starter delta starter ... as below: Yueqing Weihe Electric Co., Ltd. ADD: Lvao Industrial Zone, North Liu Shi Town,Yueqing City, Zhejiang Province, ...