27-30kv Polymer Silicon Surge Arrester, Lightning Arrester, Surge Suppressor

Basic Info.Model NO.27-30kV silicon Polymer Surge ArresterTypePower Source ArresterStructureValve Type ArresterInstallation Parallel Arrester ApplicationAC/DC SystemSizeLargeOperation Voltage High Voltage Shape Cuboid Material ZnO BrandVicjTrademarkvicjTransport PackageSeaOriginChinaHS Code85354000Product Description 1. Small size and light2. High square wave current impulse3. Have a good inner management for electric potential4. Good inner insulation lever to absorb lightning impulse and operation impulseType5W-35W-65W-95W-205W-3010W-310W-610W-910W-2010W-30Highest nominal system voltage (kV, r.m.s)3.3/3.66.6/7.2511/12.022/24.233/363.3/3.66.6/7.2511/12.022/2433/36Rated voltage of Surge Arrester (kV)36920303692030Min. continuous operating voltage (kV)2.555.17.6519.524.42.555.17.651724.4AC reference voltage ≥kV5818356558183565Max. residual Under operating impulse current7.715.423.153.976.57.715.4≤2953.9≤90voltage of discharge Under 8/20μs lightning impulse current91827639091830.56395(peak, kV)Under steep impulse current9.51928.566.5959.519≤3266.5≤992ms rectangular impulse withstand current (A)1001004/10μs highest impulse withstand current (kA)6565Min. power frequency Wet2030≤50608020≤50306090withstand voltage (kV, rms)Dry2435≤7080902435≤708095Impulse withstand voltage (kV, crest)487095125170487095125170Pressure relief Highest current for 0.2s1616class (kA, Crest)Lowest current for 0.5s0.80.8Creepage distance (mm) 250390550900180250390550900