JMV- Screw Type Surge Protection Device

A screw-type data line SPD (Surge Protective Device) is an electronic device that is designed to protect data lines from power surges and voltage spikes. It is installed in-line between the data line and the equipment it is connected to and works by diverting excess voltage and current away from the equipment and into a grounding wire.

  • AC Surge Protection  
  • DC Surge Protection