Type 1 Lightning Arrester 50kA FV50B/4
Item No: FV50B/4-xxx
-Lightning surge arresters with compact construction design,
-Used in the lightning protection zones concept at boundary LPZ0B-LPZ1,
-The core parts are spark gap with high discharge capacity,
-35mm2 DIN-rail in accordance with EN 50022/DIN46277-3,
-Low residual voltage and quick response.
-Protection mode: L1, L2, L3-PE, N-PE
-Used in the lightning protection zones concept at boundary LPZ0B-LPZ1,
-The core parts are spark gap with high discharge capacity,
-35mm2 DIN-rail in accordance with EN 50022/DIN46277-3,
-Low residual voltage and quick response.
-Protection mode: L1, L2, L3-PE, N-PE
Product Description
1.Coding system

2.Dimension of lightning surge arrester (type1 lightning arrester) FV50B/4-xxx

3.Electrical parameters of lightning surge arrester (type1 lightning arrester) FV50B/4-255
4.Installation of lightning surge arrester (type1 lightning arrester) FV50B/4-xxx

2.Dimension of lightning surge arrester (type1 lightning arrester) FV50B/4-xxx

3.Electrical parameters of lightning surge arrester (type1 lightning arrester) FV50B/4-255
Model No.
|
FV50B/4-255
|
|
Test class according to IEC61643-1:2005
|
I
|
|
Nominal voltage
|
UN
|
230VAC,50(60)Hz
|
Max. Cont. Operating Voltage)
|
Uc
|
255VAC
|
Impulse Current (10/350μs)
|
Iimp
|
50kA/Pole
|
Nominal discharge current (8/20μs)
|
In
|
25kA/Pole
|
Voltage protective level at In
|
Up
|
≤1.5kV
|
Follow current at Uc
|
If
|
100A
|
Response time
|
tA
|
≤100ns
|
Recommended back-up fuse
|
250A
|
|
I/O Connections
|
By screw terminal:10-35mm2
By connection bus
|
|
Mounting
|
Symmetrical rail (EN50022/DIN46277-3)
|
|
Operation temperature range
|
-40℃~+85℃
|
|
Degree of protection
|
IP20
|
|
Housing material
|
UL94V0
|
|
Remote control contact
|
Without
|
|
Color
|
Gray
|
4.Installation of lightning surge arrester (type1 lightning arrester) FV50B/4-xxx
