STM T1 50是最强大的单极型1 /级闪电电流避雷器系列,能够在外部雷电保护系统(LPS)或架空电源上从直接雷击(10 /350μs)中排出能量(电流),根据EN / IEC 61643.适合作为传入电源板的第一步和具有高暴露雷击的区域,配有外部防雷系统。Lightning impulse current (10/350μs): 50kA Follow current quenching capacity (Ifi): 50kA Leakage current free (LCF) Multi-discharge technology Single pole devices for TNS, TNC, IT and TT earthing systems Un(L-N/L-L): 120/208V, 230/400V, 277/480V, 400/690V DIN-rail mountable, monobloc format Back-up fuse: 500 A gG