1.Description
Fatech Class I+II lightning and surge arresters, is suitable for TT and TN earthing systems. 3P+N construction lightning and surge arresters based on large power metal oxide varistors and assemble a metal oxide varistor and a gas discharge tube in series between phase line and neutral line, with no follow current.
2. Characteristics
1) Surge protective device with special design for saving installation space--- width 18mm/pole.
2) High discharge current--- Iimp12.5kA per pole.
3) Each pole with one indication window, indication window for clear display of SPD status.
4) Remote controlling function for your option.
5) Pluggable module--- convenient for maintenance.
6) Protection mode --- L1,L2,L3-PE
7) 3 phase, 3 poles.
3. Electrical Parameters
1) Test class IEC/EN/VDE: Class I+II/B+C/T1+T2
2) Type of Network: IT
3) Protection mode: L1,L2,L3-PE
4) Nominal voltage 50(60)Hz Un: 110V/220V~
5)Rated Voltage (Max.Cont. Operating Voltage) Uc:150V~, 275V~
6) Max. discharge current (8/20μs) Imax: 80kA
7) Nominal discharge current (8/20μs) In: 40kA
8) Response time tA: ≤25ns
9) Recommended back-up fuse: 160A
10) I/O Connections: Multi core wire:4-25mm2
11) Mounting: 35mm Symmetrical rail (EN50022/DIN46277-3)
12) Operation temperature range / humidity / altitude: -40℃~+80℃/30%~90%/3000m
13) Degree of protection: IP20
14) Housing material: UL94V0
15) Disconnection indicator: Mechanical indicator (Green: OK, Red: replace)
16) Remote control contact: Optional
17) Impulse current (10/350μs) Iimp: 12.5kA