current transformer 1,current:5(60)A/2.5mA 2,ratio:1:2000 3,DC immunity type 1,Primary current:5A(customized)2,Max primary current: 60A(customized)3,Secondary current:2.5mA(customized)4,Ratio:1000:1,1500:1,2000:1 or 2500:1(customized) DC immunity CT 5(80)A