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Topic:Kingtronics 2-Electrode Arresters and 3-Electrode Arresters Application
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Telephone / fax / modem protectionTelephones, faxes and modems are equipped with sophisticated but sensitive electronics. Typical circuits used to protect them with surge arresters are shown in following Fig.These arresters protect against common-mode interference voltages, i.e. surge voltages that appear in both lines to ground. In the event of an over voltage, the arrester protects both exchange lines by conducting the surge current away to ground.
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