It is applicable to AC/DC power supply systems such as TT, IT, TN-S, TN-C-S and photovoltaic systems with AC 50/60Hz, 1000V and below. 

It can be used as the equipotential connection at the interface between LPZ0A, LPZ0B and LPZ1 area. 

Its design basis complies with GB/T 18802.11 and IEC 61643-11. 

The shell is designed to be installed on 35mm electrical guide rail. 

The product has built-in failure release device. When the surge protector fails due to overcurrent overheating and breakdown, the failure disconnection device can automatically disconnect it from the power grid, and the visual alarm indication module changes from green (normal) to red (fault). The surge protector module can be replaced with operating voltage.