... connector optional updated on 29th Nov, 2011coaxial BNC-K/J SPD,CCTV video camera lightning arresterParameters TypeDK-10f/BNCDK-10f ... classes protection, extremely low residual voltage, perfect transmission performance, quick respond, large discharging capacity, simple installation and connection, easy ... 10kA. Other Products You Might Need: coaxial BNC-K/J SPD,CCTV video camera lightning arrester