1. AC power surge protection for low-voltage power system Characteristic FV50B/4-150 S
- Class I 50kA surge arresterwith remote control contacts,
- With indication window,
- 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.
-Protection mode: L1, L2, L3-PE, N-PE
2.Electrical parameters of lightning surge arrester (type1 lightning arrester) FV50B/4-150S
| Model No. |
FV50B/4-150S |
| 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
Audited Supplier 
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