The voltage transformer is fully enclosed type the iron core is piled up of the cold roll silicon steel sheet . the iron core , primary and secondary windings are casting resin by advanced vacuum carting equipment . it has a good ability of antipollution and moisture proof . the secondary outlet is wrapped by outlet box with three exits with different directions . it , s convenient . it can prevent from stealing electricity 本系列电压互感器为全封闭式结构，铁芯采用优质冷轧硅钢片绕制，并经严格的热处理，铁芯与一次绕组和二次绕组一起以先进的真空浇注工艺用环氧树脂浇注成型，互感器耐污秽，耐潮湿性能好二次出线端子有出线端子盒，端子盒有三个不同出线方向接线方便，并可实现防窃电措施。
