1. 50kA Surge Arrester Class I AC power SPD FV25B/4-255S FV50B/1-255S
- 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/4-275S
Model No.
|
FV25B/4-255S
|
Test class according to IEC61643-11:2011
|
I
|
Type of Network
|
TT-TN-IT
|
Nominal voltage
|
UN
|
220/380V
|
Rated Voltage
|
Uc
|
255VAC
|
(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: