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Vacuum Switches
Vacuum switches are industrial components that measure pressure variations less than ambient pressure which is used as a baseline reference point. When the system vacuum changes, the internal electrical switch either opens or closes.
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Switch Application 
Electrical Interfaces 
Set Point Range: In Hg Vacuum 
Set Point Options 
Maximum System Pressure psig 
Maximum Amperage and Voltage 

Whitman Controls Corporation 201 Dolphin Road, Bristol CT 06020 Phone: 800-233-4401, Fax: 860-583-5293