Product use: DB-3A series power lightning arrester is suitable for protection against overvoltage caused by lightning strikes in LPZ1 and LPZ2 strong lightning protection zones, 220/380V three-phase distribution systems.   
Industries of use: telecommunications industry, broadcasting industry, petrochemical industry, transportation and highway industry, financial industry, and government agencies at all levels.
Product features: large flow capacity;
Full mode protection design: L-N, L-PE, N-PE seven channel protection mode;
Adopting multi piece parallel current sharing technology;
Remote signaling output: provides two sets of normally open and normally closed relay contact signals;
Fault automatic disconnection: Each pressure-sensitive component is equipped with overload protection, which can automatically disconnect from the circuit when it is damaged;
Deterioration indication, damage sound and light alarm;
Automatic lightning strike counting;
Kevin wiring: eliminate the voltage drop of the wiring inductance;

DB-3A series power lightning arrester