This series is the effect equipment for the stage, fog machine, mist machine, electronic fireworks machine, water mist machine, bubble machine, etc., which can bring very rich effects to a stage. In addition to the stage, these effect equipment are also indispensable. The smoky stage is illuminated by lights, which can bring a different feeling to the audience. Special effect products also bring unique effects to specific programs, increase the festive atmosphere, make the wedding scene more romantic, use bubble machines at pool parties, and so on.
Fog And Smoke Machines ,Mini Fog Machine,Small Fog Machine,Dry Ice Smoke Machine Guangzhou Cheng Wen Photoelectric Technology Co., Ltd. , https://www.ledscreencw.com
1. DC surge protection device for photovoltaic system Characteristic FV20C/3-500PVÂ
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-DC surge arrestors specially used for photovoltaic system 500Vdc.Â
-The core parts are metal oxide vristor components with high discharge capacity.Â
-With Reliable control thanks to Thermo Dynamic Control disconnector.Â
-Fault indication via red mark in the inspection window.
-Without reomote control contact
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2. DC surge protection device for photovoltaic system Dimension and Circuit FV20C/3-500PVÂ
3. DC surge protection device for photovoltaic system certificate 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
If you are interested in ,please feel free contact to me!
 Model No.: FV20C/3-500 PV Â
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 Max. continuous DC voltage[(L+/L-)-> PE]/ [L+-> L-]
 Uc pv
 V
 500
 Requirement class to DIN EN 61643-1: 2005
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 Class C
 Nominal Discharge current(8/20μ s)
 In
 kA
 20
 Max. discharge current (8/20μ s)
 Imax
 kA
 40
 Voltage protection level (at In) [(L+/L-)-> PE]/ [L+-> L-]
 Up
 kV
 <=1.8
 Response time
 tA
 ns
 25
 Operation temperature range
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  -40 ~ +85degree
 Degree of protection
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 IP20
 Remote control contacts
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  NO
We also can supply DC surge protective device for photovoltaic (PV) system protection 1200VDC, surge protective device with Imax=60kA, 150kA. And type B surge arrester with spark gap.Â