AC Surge Arrestor 3-Phase

Suitable for TN-S,TN-C-S,TT,IT etc. power supply system of AC50/60Hz,≤420V,installed on the joint of LPZ1 or LPZ2 and LPZ3,designed according to IEC61463-1,GB18802.1, installed in 35mm DIN rail, there is a failure release mounted on the module of surge protective device. When the SPD fails in breakdown for over-heat and over-current, the failure release will help electric device separate from the power system and give the indication signal. Advantage:1. Replace module no need power off2. Response time less than 25ns3. Window color shows working condition Specifications:1. Uc: 420V AC2. Respond time: less than 25ns3. Poles: 1-4P