... 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 ... 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, ... the rated currentASDLA*J12506,3,10,20,25,31,5,40SFLA*J1210050,63,71,80,100SKLA*J12125125