This voltage transformer has three poles and the iron is made of sheet.The body is fixed on the box cover by clamping.There have the primary and secondary bushing also on the box cover.

• 本系列电压互感器的铁心由条形硅片叠成，为三柱芯式，器身用铁夹件固定在箱盖上，在箱盖上装有一次及二次套管等，油箱用钢板焊成，油箱壁下部装有接地螺栓及放油塞，箱底有四个安装孔。