TUNGSTEN COPPER TELLURIUM
WCu30Te1 contact This contact material was recognized by Siemens of Germany and has passed the type tests of vacuum contactors of 3kV/200A, 6kV/400A, 12kV/160A, 12kV/160A, 250A or 400A and vacuum load switches of 12kV/630A in China.
WCu17Te1 contact This contact material has passed the type tests of vacuum contactors of 7.2kV/6.3kA and 12kV/6.3kA in China.
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