RDB1 Series precision lightning protection box for power supply system, mainly applied to Class B, C lightning protection, suitable for all kind of maintenance-free power supply system with AC 50/60Hz, 220/380V.

Suitable for the surge protection for all kind of precision electronic equipment and all kind of low voltage power supply equipment of finance network, post and tele-communication, telecom, electric power, petrol station, highway toll station, railway, air-port, high building, residential houses etc. Prevent the damage caused by lightning stroke over voltage or switching over voltage.