Application:
CAU2 Surge protective devices(SPD), with two thunderbolt protection chips, one normal chip and a spare chip in module. When the normal
Chip comes across thunder stroke or aging deterrioration, the spare chip will be put into service autom-actically, meanwhile, send signal for alarm.

Technical data:
Max. Continous working voltage: (Uc): 275v/320v/385v/420v-50hz/60hz
Nominal discharge current(7/20)(In): 5KA, 8KA, 15KA, 20KA
Max. Discharge current(8/20)(max): 8KA, 15KA, 40KA, 65KA
Voltage protection level(up): 1. 0KV/1. 2KV/1. 5KV/1. 8KV/2. 0KV
Protection level: C. D