dc surge arrester FV20C/3-500 PV S

FV20C/3-500 PV S


-DC surge arresters specially used for Photovoltaic system 500Vdc.
-The core parts are metal oxide vristor components with high discharge capacity.
-With Reliable control thanks to Thermo Dynamic Control disconnector.
-With remote signaling contact for control device.
-Fault indication via red mark in the inspection window.

1. Coding system



2.
Dimension and circuit diagram of DC surge arrester FV20C/3-500PVS


3.Electrical parameters of DC surge arrester FV20C/3-500PVS

Model No. FV20C/3-500PVS
Nominal voltage Un VDC 500
Max.continuous d.c. voltage[(L+/L-)->PE]/ [L+->L-] Uc pv VDC 530
Nominal discharge current(8/20μs) In kA 20
Max. discharge current (8/20μs) Imax kA 40
Voltage protection level (at In) Up kA ≤1.8
Response time tA ns <25
I/O Connections By screw terminal:10-35mm2; By connection bus
Mounting Symmetrical rail(EN50022/DIN46277-3)
Operation temperature range -40℃~+85℃
Degree of protection IP20
Housing material UL94V0
Disconnection indicator Mechanical indicator
Remote control contact Yes (Green:ok, Red:replace)

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4.Installation of DC surge arrester FV20C/3-500PVS


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