1. 50kA Surge Arrester Class I AC power SPD FV25B/4-255S
-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
2. AC surge protector for low-voltage power system Electrical parameters FV25B/4-255S
| Model No. |
FV25B/4-255S |
| 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 |
-40ºC~+85ºC |
| Degree of protection |
IP20 |
| Housing material |
UL94V0 |
| Remote control contact |
Yes |
| Color |
Gray
|






FAQ
Q:Could l know which advantages do you have please?
A: Independent test center, TuV, Patent certifications; 15 yearsexport experience in the overseas market; good technical service and support.
Q:Are you a lightning surge protectors factory or tradingcompany?
A: We area manufacturer which is is0 9001-2008 quality system on R&D.production and sales of surge arrester.
Q:Warranty and return?
A: We supply five-years warranty on surge protective devices and own the bestafter-sale service team,if any problem happens, our team will do our best tosolve it for you.
Q:What's the delievery time?
A: lt is usually about 15 days after receiving the payment and confirmed theorder,but specific time should be based on the order quantity.