1) voltage limiting type or switch port design.
2) comply with T1 or T2 test conditions.
3) overheated inside device and over-current protection .
4) has a device with indicating working state ,has alarm function for lack of phase and earth connection and failure of lighting protection.
5) alarm contact, realize function of remote communication.
6) intelligent recording lightning and surge frequency, convenient for statistics, analysis and assessment of risk.
7) SPD modular structure design, convenient for maintenance.
8) lightning protection box adopts design of three prevention, suitable for different installation environment.
|rated operational voltage Uopv(V)||220（1N50Hz)|
|Maximum continuous operating voltage Ucpv(V)||385|
|Nominal discharge current In（kA)）||20|
|Maximum discharge current Imax(kA)）||40|
|impact current limp（kA）||
|Rated load current IL（A)||
Voltage protection level Up(kV)
|Lightning counter||can be chosen|
|Remote control alarm||yes|
|protection class of body||IP50|