1. 50kA Surge Arrester Class I AC power SPD FV25B/4-255S FV50B/1-385S
- High impulse current multi-layer three phase Iimp 25kA type 1 spark gap surge arrester,
- With indication window, with remote control contacts,
- Compact 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
2. AC surge protector for low-voltage power system Electrical parameters FV25B/4-385S
Model No. |
FV25B/4-385S |
Test class according to IEC61643-11:2011 |
I |
Type of Network |
TT-TN-IT |
Nominal voltage |
UN |
220/380V |
Rated Voltage |
Uc |
385VAC |
(Max. Cont. Operating Voltage) |
Maximum discharge current (8/20μs) |
Iimp |
25kA |
Nominal discharge current (8/20μs) |
Imax |
50kA |
Voltage protective level at In |
Up |
≤1.8kV |
Isolation resistance |
Risol |
>102MΩ |
Response time |
tA |
≤100ns |
Recommended back-up fuse |
250A |
I/O Connections |
By screw terminal:10-35mm2 |
Mounting |
Symmetrical rail (EN50022/DIN46277-3) |
Operation temperature range / RH |
-25ºC~+85ºC /95% |
Degree of protection |
IP20 |
Housing material |
UL94V0 |
Disconnection indicator |
Mechanical indicator |
Remote control contact |
Yes |
Color |
gray |
3. Company information
WHY CHOOSE US
FATECH ELECTRONIC CO., LTD., is located in Guangdong Provincial New Light Production Base, CHINA, which is a professional manufacturer on R&D and producing on surge protection products. Our company gathered all kinds of high-skillled personnels, including authority technical experts and professionals, and excellent technicians with more than 10 years experience. In-house testing lab. guarantee out-going products quality. Products are certified with TUV, CE; UL pending, 90% material are UL approved.
Our in-house test lab.:We established an independent testing laboratory, including reliability testing laboratory, environmental aging testing laboratory, release testing laboratory, which can be performed tests below:
Impulse current generator (8/20 μS/160kA and 10/350μS/20kA)
Thermal stability tester
Salt Spray Chamber
Multi-function Varistor Tester
On-line Aging Tester
Dielectric Voltage Withstand Tester
1.2/50 Voltage Impulse Generator
Environment Stimulating Tester
Lightning Surge Counter Tester
Our global partners:
We are now exporting more than 100 countries and areas, mainly in Europe, Asia, Latin-America, and Middle East. Our global partner including
Ericsson
Sri Lanka Telecom
Telefonica-Movie
Our certificates: