surge proetective device

Surge Protective Device TD Series are applicable to power systems, provide surge protection against direct or indirect lightning strike or other instantaneous overvoltage. Standards: GB18802; IEC61643.
1.Unipolar ,one phase, applicable for all kinds of power systems;
2.Modularized design, easy for maintenance;
3.With invalidity indicator;
4.Both common mode and differential mode protection;
5.Max. current flow limitation, low residual voltage, quick response;
6.Thermostat trip control., over-voltage protection.

surge proetective device