BY1series surge protective device (SPD) is suitable for AC 50/60Hz, 380v and the following electric power system,such TT,IT,TN-S,TN-C and TN-C-S FOR protecting electric net shocked by the thunder or over voltage.
Maximum continuous operating voltage: Uc~140 275 320 385 420 550V
Test grade:II
Voltage protect level: Up<0.8 1.2 1.5 1.8 2.0 2.5 kv
Maximum discharge current:(8/20μS) Imax 10 40 60kA
Nominal discharge current: (8/20μS) In 5 15 20 kA
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