This spark gaps are designed to protect metallic elements, like anttennas,poles,pipes,roofing equipment...which are not connected to earth for operation reason, against the risk of flahover dring a lightning strike on the installation. When a large or exposed metallic element is not connected, for operating reasons, to connect between the element and the grounded structure (or lightning conductor) a spark gap, which allows a puctual and a brief connection to earth during the lightning strik. In stand-by situation, the spark gap insulates the elem- ent from the earth. During the lightning strike, the spark gap fires to create equipotentiality and to avoid destru- ctive flashovers. P65A ÀÇ Æ¯Â¡ Dedicated to be connected between antennae and lightning conductor. Based on gas tube and designed for outdoor app- lication. Discharge current : Imax 20 kA | |