1. 50kA Surge Arrester Class I AC power SPD FV50B/4-255S
-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, L4-PE
2. AC surge protector for low-voltage power system Electrical parameters FV50B/4-255S
| Model No. |
FV50B/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 |
50kA |
| Nominal discharge current (8/20μs) |
Imax |
100kA |
| Voltage protective level at In |
Up |
≤2.0kV |
| 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 |
Company Profile
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.
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