supply of metal oxide gapless polymer lightning arrestermetal oxide gapless polymer lightning arrester,metal oxide gapless polymer lightning arrester of standard iec 99-4/2009, rated voltage 18 kvrms, with nominal discharge current 5 ka peak, r eference current 1 ma peak, maximum continuous operating voltage 15.3 kvrms, maximum lightning impulse residual voltage at 5000 amps is 64 kv peak, le akage current at cov less than 0.8 ma creepage distance 600 mm minimum. the arrester to be supplied with disconnector. preferred makes: lamco or simil ar [ warranty period: 12 months after the date of delivery ] ] => limited