Rated operating voltage Un(V-) 220/380 220/380 Max continous operating voltage Uc(V-) 385/420 385/420 Max allowable fuse strength(A) 16 16 Nominal discharge current(8/20Us)In(KA) 60 80 Max discharge current(KA) 100 120 Protection level of voltage Up(KV) <22/<24 <24/<26 Operating enviroment -40Tempereture-+80Tempereture -40Tempereture-+Tempereture Response time t(nS) <25 <25 Max connecting wire diameter(mm2) Hard wire or 35 multi-strand wire Max cnnecting wire diameter(mm2) 1.5 hard wire Monitored by remote signaling contact LHS1-B/4-385-30X LHS1-B/4-385B-30X Alarm LHS1-B/4-385X-30B LHS1-B/4-385X-30B Standard testing GB18802.1(2002