... suitable for AC 50hz 0.38Kv three-phase power systems,applied outdoor this type JLFK-0.5W low ... suitable for AC 50hz 0.38Kv three-phase power systems,applied outdoor prepaid measurement or lod control ,they ... are made up of LF-0.5B anti-power-stealing current transformer group,low vacuum load switch, ... -2000 system,They not only can make anti-power-stealing measurement ,remot data transmission ,but also ...