power surge protection device Can be replaced for the module not need power cut Response time<25ns According to IEC61643-1, G

OBV1-D series Surge Protector is suitable for TN-S, TN-C-S, TT, IT etc. power supply system of AC 50/60Hz, 380V, installed on the joint of LPZ1 or LPZ2 and LPZ3, it's designed according to IEC61643-1, GB18802.1, it adopts 35mm standard rail, there is a failure release mounted on the module of surge protection device. When the SPD fails in breakdown for over-heat and over-current, the failure release will help electric equipments separate from the power supply system and give the indication signal, green means normal, red means abnormal. 

Model and Meaning:Main Technical Parameters:

Demension:

power surge protection device