surge arrester (two-in-one,Video monitoring SPD)
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surge arrester
two-in-one lightning protector of video monitoring and control system
surge arrester
TNR-SV surge protector (two-in-one lightning protector of video monitoring and control system)
It is special for preventing power supply, video frequency, 485# control circuit of video monitoring and control system being damaged for over voltage, interference & static discharge and so on.