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: (8/20uS) Imax 10 40 60kA
Nominal discharge current: (8/20uS) In 5 15 20 kA