Type 1 surge arrester iSPD50B/4-255TESL

for power suppliesremote signalingwith fault indication

1. Characteristics 1) Type 1 three phase surge arrester box type. 2) Designed for on-line monitoring of surge protection device degradation, circuit breaker working status, surge protector action times (surge counting), earthing status, and surge arrester Real time temperature (if surge protective device with this function) 3) TVSS with On-line checking automatically, real-time monitoring. 4) 4-bit LED display surge filter. 5) Water proof IP65, adopt RS485 cable communication transmission data for monitoring module, which can connect with background server, to record and check the data. 2. Electrical parameter 1) MODEL NO.: iSPD50B/4-255TESL 2) Test class according to IEC/EN61643-11：2011: I Test class according to EN61643-11:2012: T1 3) Earthing system: TT, TN 4) Protection mode: L1,L2,L3-N , N-PE 5) Nominal voltage Un: 220VAC, 50(60)Hz 7) Impulse Current (10/350μs) Iimp: 50kA Nominal discharge current(8/20μs) In: 50kA 8) Response time tA: ≤100ns 9) Circuit Breaker: 63A 10) I/O Connections: By screw terminal:10-35mm2, By connection bus 11) Humidity: 30%~90% 12) Ambient temperature: -40℃~+85℃ 13) Remote control contact: Yes 14) Degree of protection: IP65 15) Housing material: UL94V0 16) Disconnection indicator: Mechanical indicator (Green: OK, Red: Replace) 17) Color: Gray 18) Dimension: 310*195*110mm