Lightning surge counter iSPD20C/3-xxx S

lightning strikesurge currentdigital

1. Description: iSPD series intelligent monitoring surge protector, is consist of new designed surge protector with temperature monitoring part inside - iSPD-20C, and intelligent monitoring module - iSPD-M, which are awarded national design patent and appearance patent. 2. Characteristics 1) New designed 3 poles intelligent surge protective device (iSPD). 2) Designed for on-line monitoring of SPD degradation, circuit breaker working status, grouding conditions, SPD action times (surge counting). 3) On-line checking automatically, real-time monitoring. 4) Adopt RS485 cable communication transmission data for monitoring module, which can connect with background server, to record and check the data. 5) Din-Rail mounting, with RS485 cable communication 6) Patent technology. 3. Electrical parameter 1) MODEL NO.: iSPD20C/3-xxx S 2) CLASSIFICATION（IEC61643-1:2005): Class II 3) Earthing system: TT 4) Max. cont ac operation voltage Uc: 150Vac, 275Vac, 320Vac, 385Vac, 440Vac 5) Max. cont dc operation voltage Uc: 200Vdc, 350Vdc, 410Vdc, 505Vdc, 615Vdc 6) Max. discharge current(8/20μs) Imax: 40kA 7) Nominal discharge current(8/20μs) In: 20kA 8) Response time tA: ≤25ns 9) Recommended back-up fuse: 125A 10) I/O Connections: Multi core wire:4～25mm²,single core wire:4～35mm² 11) Mounting type: Symmetrical rail (EN50022/DIN46277-3) 12) Ambient temperature: -40℃~+85℃ 13) Permissible humidity: 30%~90% 14) Degree of protection: IP20 15) Housing material: UL94V0 16) Disconnection indicator: Mechanical indicator (Green: OK, Red: Replace) 17) Temperature monitoring T: inside：~100℃ 18) Remote control contact: Optional