vacuum switch


Also found in: Acronyms, Wikipedia.

vacuum switch

[′vak·yəm ‚swich]
(electricity)
A switch having its contacts in an evacuated envelope to minimize sparking.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
When the fault current is detected, the vacuum switches receive a command to break.
If a vacuum switch is working as designed, it should stop a body entrapment.
An automatic vacuum switch runs the Sweeper only when the loading system is calling for material.
For minimum floor space PowerMax compact positive displacement pump has accessories that include vacuum gauge, muffler, vacuum relief valve, belt guards, and vacuum switch, which electrically signals vacuum status to the microprocessor control.
Options include wrist rotation, vacuum generator, vacuum switch verification, and tooling to remove parts and/or runners.