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Class I/B 25kA surge protector
Item No: FV25B/3-275 S
-Class I/B 25kAsurge protector, 3poles.
-Consisting of base part and3 MOV pluggable modules.
-For using in the lightning protection zones concept at boundary 1.
-The core parts are metal oxide vristor components with high discharge capacity.
-Low residual voltage and quick response
-Reliable control thanks to Thermo Dynamic Control disconnector.
-With remote signaling contact for control device.
-Fault indication via red mark in the inspection window.
-Protection mode: L1,L2,L3-PE.
Product Description
1.Coding system
2.Dimension and circuit of type1 surge arrester FV25B/3-275S
3.Electrical parameters of type1 surge arrester FV25B/3-275S
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Test class according to IEC61643-1:2005
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I
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Type of Network
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TT, TN
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Nominal voltage
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UN
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230V/50(60)Hz
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Rated Voltage (Max. Cont. Operating Voltage)
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Uc
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275VAC
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Impulse discharge current (10/350μs)
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Iimp
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25kA
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Nominal discharge current (8/20μs)
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In
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50kA
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Voltage protective level
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Up
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≤1.8kV
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Isolation resistance
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Risol
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>102MΩ
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Response time
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tA
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≤25ns
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Recommended back-up fuse
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160A
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I/O Connections
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By screw terminal:10-35mm2
By connection bus
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Mounting
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Symmetrical rail(EN50022/DIN46277-3)
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Operation temperature range
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-40℃~+85℃
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Degree of protection
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IP20
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Housing material
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UL94V0
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Disconnection indicator
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Mechanical indicator
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Remote control contact
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Yes
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Color
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Gray
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4.Installation of type1 surge arrester FV25B/3-275S
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