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COS Panel Function (Change Over Switch) The Connector and Voltage Panel of the power supply are generally operated manually with option 1-0-2 or PLN-OFF-Genzet.
COS panel (Change Over Switch) / Ohm switch COS or Ohm Switch is an electrical appliance to transfer power from main power source (PLN) with backup power source (generator). We also provide other Switching Power Supply.
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