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
|
3. Company information
Fatech Electronic (FOSHAN) Co., Ltd is a professtional manufacturer of lightning and surge protection products. The trademake is is "FATECH".
Main Products:
- Surge arresters for protection of photovoltaic system ,
- Surge protection devices for protection of power supply systems,
- SPD surge protectors for protection of signal system,
- Lighting rod,
- Test devices.
Quality &Standards:- Products are producted perISO9001:2008, IEC61643-11, EN 50539-11, CE, CNAS, iLAC etc.
We have an independent testing laboratory, and a complete set of advanced testing equipment, including impulse current generator, the SPD Test System of Thermal Stability, varistor tester, lightning device tester, & TOV testers. We built up a complete quality control system, and strict process control system, product's stability & reliability are qualified by users.
Main markets: 80% export, mostly to Europe, which including France, Cyprus, Greece, Czech Republic, Poland, Spain, Austria, Hungary, Switherland, Italy, Russia, Finland, Turkey, Slovenia, Ireland; and Asia, South America, Africa & other worldwide markets.
We are trying to develop Fatech into a world-class Electrical manufactures