A vacuum exhaust element of a vacuum switch has an ordinary withstand voltage because the vacuum vessel and power source element are grounded, therefore not requiring the high voltage to be taken into consideration. This way, the vacuum exhaust element is miniaturized and it is safe for a worker to touch the vacuum vessel and the vacuum exhaust element when performing maintenance and/or inspection.

Un elemento del extractor del vacío de un interruptor del vacío tiene un voltaje ordinario del withstand porque se ponen a tierra el recipiente del vacío y el elemento de la fuente de energía, por lo tanto el no requerir del alto voltaje ser tomado en la consideración. Se miniaturiza esta manera, el elemento del extractor del vacío y es seguro que un trabajador toque el recipiente del vacío y el elemento del extractor del vacío al realizar mantenimiento y/o la inspección.

 
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