AC SPD FV50B/4-385 is for low-voltage power supply 255V, Iimp50kA, 4poles.
1.surge protection deivce Characteristic for surge arrester FV50B/4-255 -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-PE2.Dimension of surge arrester FV50B/4-255 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
Siemens
Our certificates:
3.surge protection device electrical parameters for surge arrester FV50B/4-255 | Model No.: FV50B/4-255 | | | |
| Max. continuous AC voltage | Uc | V | 255 |
| Requirement class to DIN EN 61643-1: 2005 | | | Class B |
| Max. Discharge current(8/20μ s) | Imax | kA | 140 |
| Impulse discharge current (1/350μ s) | Iimp | kA | 50 |
| Voltage protection level (at In) | Up | kV | <=1.8 |
| Response time | tA | ns | 100 |
| Operation temperature range | | | -40 ~ +85degree |
| Degree of protection | | | IP20 |
| Remote control contacts | | | NO |
Audited Supplier 
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