Three phase surge arrestor brand name: protontype: surge arrestorspecifications: 1p 2p 3p 4p spd low voltage surge protection
replace module no need power off
in 25ns respond time
oem,odm supply,litem: 1p 2p 3p 4p spd low voltage surge protection rated names of this item:surge protective device(spd) is 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