vacuum switch


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vacuum switch

[′vak·yəm ‚swich]
(electricity)
A switch having its contacts in an evacuated envelope to minimize sparking.
References in periodicals archive ?
A vacuum pump that cannot remove enough air to satisfy the vacuum switch setting will not cycle as it should, but will simply continue to run.
He then goes on to say that the vacuum switch is not a layer of protection; it Mil not stop eviscertion, limb entrapment or hair entrapment.
The "COOLANTCLEAN II" utilizes a unique vacuum switch for efficient depressurization, that allows a coolant exchange in less than 15 minutes.
Tenders are invited for Vacuum switch -35 or analog with current transformers -35 kV 100-200 / 5 with accuracy class 10 / 10 / 0.
To my knowledge, the vacuum switch is located at the pump, and the accident is located many feet away at the main drain.
An automatic vacuum switch runs the Sweeper only when the loading system is calling for material.