Current tansformer LB5-66,LVB-35,LB6-110 used for current ,electric energy measuring, relay protection ... in electricity. Current tansformerLB5-66,LVB-35,LB6-110 used for current ,electric energy measuring, and relay ... 60HZ system.Service ConditionAmbient temperature: -40~+40°CAltitude: LVB(T)-35(W1,W2,W3) less than1000m LVB(T)-35GY(W1,W2 ...