AC SPD FV50B/4-255S is for low-voltage power supply 255V, Imax 140kA, 4poles.
1.surge protector Characteristic for surge arrester FV50B/4-255S
- 3 phase 50kA Type 1 lightning arrester
- With indication window and remote control contacts,
- Unique designing, patent technology,
-Used in the lightning protection zones concept at boundary LPZ0B-LPZ1,
-The core parts are multilayer spark gap with high discharge capacity,
-35mm2 DIN-rail in accordance with EN 50022/DIN46277-3,
-Low residual voltage.
-Protection mode: L-PE, N-PE / L-N, N-PE.
2. surge protector Certificate
CE, ISO9001-2008
3.surge protector electrical parameters for surge arrester FV50B/4-255S
| Model No.: FV50B/4-255S |
|
|
|
| Max. continuous AC voltage |
Uc |
V |
255 |
| Requirement class to DIN EN 61643-1: 2005 |
|
|
Class B |
| Max. Discharge current(8/20μ s) |
Imax |
kA |
140 |
| Impulse discharge current (1/350μ s) |
Iimp |
kA |
50 |
| Voltage protection level (at In) |
Up |
kV |
<=1.8 |
| Response time |
tA |
ns |
100 |
| Operation temperature range |
|
|
-40 ~ +85degree |
| Degree of protection |
|
|
IP20 |
| Remote control contacts |
|
|
YES |
Audited Supplier 
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