Arc Fault Recorder DUGA-O2-21 for Effective Monitoring of Electric Systems

Register of arc faults DUGA-O2-21 is designed to work together with fibre optic sensor VOD-RK. The DUGA-O2-21 arc fault recorder provides conversion, transmission, storage and display of signals from fibre-optic sensors in case of arc fault occurrence, as well as determination of the arc fault location with accuracy to the compartment. The DUGA-O2-21 arc fault recorder is designed for installation in 0.4-35 kV cells, including nuclear power facilities. In this version there is a function of optical fibre integrity monitoring (OFM) and availability of an additional input of arc protection start.