The SOT bushings in this series are designed in accordance with IEEE/ANSI and IEC standards, being suitable for applications on power transformers that can be directly connected to gas-insulated switchgears. The bushings are available between 123 and 550kV, in most ratings of current. The versatile mounting capability and long-term easy storage are the most important aspects. Next, the stainless steel oil expansion compensator and double o-ring sealing are other features worth mentioning. The item also comes with a test tap, along with an oil side shield and a PF6 side shield on request.