... ,sheath,terminal,sealed systemand connection.Dry type high voltage wall bushing features1. Non-porcelain, non-gas, unfilled oil2. Fire proof, explosion proof3. Maintenance ... seismic performance.Technical parameters Rated voltage : 40.5~252 kVRated frequency: 50HzRated current: 100~5000ADiscerption bushing type current transformerRated current ratio: 1A ,2A ...