Features of Surge protective devices DC
(1). The connecting wire should be used with the same capacity as the power line or greater than the power line, the total length should be controlled within 0.5 meters, The shorter the wire length, the better.
(2). There must be corresponding air switches or fuses in series at the front end of the surge protector.
(3). The power supply must be disconnected during the installation.
(4). Fault judgment of the surge protector:
① The indicator window of the module is green (normal). When the module deteriorates, the indicator window should be replaced in time;
② Surge protector can be equipped with (FS) remote remote communication alarm, remote communication touch There is a constant open and one constant close, one module or multiple modules of the surge protector failure, the contact will close, send a fault alarm signal, indicating that the module failure must be replaced.
③ Always check the air switches or fuses connected in series on the line.
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