... Switch 1.Type:FN5-12 2.Standard|:IEC420 GB3804 3.Main Material:Procelain&Steel Outline FN5-12R(L)Model Indoor ... AC HV load switch - fuse Model through a ... pilot test evaluation, performance to IEC420 ≤ HV load switch - fuse current ≥ (1990 version) and GB3804 ... 3-63KV AC High Voltage ≥ standard load switch, compared with similar foreign products, technical data ...