low-voltage surge arrester material: ZnO varistor, silicon rubber housing certification:ISO9001 confirm to IEC60099-4 The low voltage type surge arrester mainly used in low-voltage distribution cabinet,switchgear and control cabinet, so as to protect electrical equipment from being demaged by over-voltage. Technicial parameter: MOA TypeSys R.VMOA R.VMCOVD.C.U1mA1/10μssteep current impulse8/20μs ...