DatasheetABB High Voltage Products2 POLIM-I..NPOLIM-I..NPOLIM-I..NPOLIM-I..NPOLIM-I..NSurge ArrSurge ArrSurge ArrSurge ArrSurge ArresteresteresteresteresterTechnical DataTechnical DataTechnical DataTechnical DataTechnical DataService conditionsService conditionsService conditionsService conditionsService conditionsElectrElectrElectrElectrElectrical Data for POLIM-I..Nical Data for POLIM-I..Nical Data for POLIM-I..Nical Data for POLIM-I..Nical Data for POLIM-I..N-Nominal discharge current In 8/20 s10 kA pk-Line discharge class2-High current operating duty test I hc 4/10 s acc. to LD2100 kA pk-Long duration current impulse acc. to LD2550 A / 2000 s-Short circuit rating Is 50 Hz40 kA rms for 0.2s-Classification according to IEEE (ANSI) C62.11intermediate-The thermal stability of the MO-surge arrester is proved in the operating duty test according to LD2 which gives anenergy input of 5.5 kJ/kV.Power frequency voltage versus time characteristic (TOV) with prior energy imputt =1 s =>U TOV = Surge ArresterPOLIM-I..N DatasheetABB High Voltage