Bonomi surge arresters consist of several zinc oxide discs, aluminium end fittings and spacers, core composed by glass fibre and silicone housing.
Our surge arresters are certified in compliance with the IEC 60099-4 (2014) standard. Furthermore, we are also in a position to produce surge arresters in compliance with the ANSI/IEEE C.62 11 standard.
|Nominal voltage||Nominal discharge current||Discharge class|
|ISI-HE||6 – 36 kV||10 kA||1|
|ISI-2P||36 – 165 kV||10 kA||2|
|ISI-3P||108 – 468 kV||10 kA||3|
|ISI-4P||108 – 468 kV||20 kA||4|
|ISI-5P||108 – 468 kV||30 kA||5|