Tap changer-WST

The domestic current rating does not include 150A, so 250A is used as a replacement for 150A.Current ratings: 30A, 63A, 125A, 250A, 400A;Voltage ratings: 10KV, 20KV, 35KV.

WST-30/20-6×5: WST stands for bar switch, with 30A current, 20KV voltage, 6 wiring terminals and 5 spacings.

The voltage level determines the length of the copper tube,the current rating determines the thickness of the copper tube,and the height of the oil tank determines the height of the switch.