... 35,LB6-110 used for current ,electric energy measuring, relay protection in electricity. Current tansformerLB5-66 ... 35,LB6-110 used for current ,electric energy measuring, and relay protection in electricity system. it ... phase and oil immersed top-head type current transformer, wihich is used for metering and relay ... or 1ANumber of Secondary Windings1~5Accuracy of Measuring Winding0.2,0.2S,0.5,0. ...