ABB
OVR Q系列数据/信号传输线路用电涌保护器
ABB OVR surge protective device family: Type 1/1+2/2/2-3/3 classes for power lines, PV, data/signal, telecom (RS485/RF/CCTV/TV…) and industry (EV/wind) applications per IEC 61643-11.
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