PresAir

Electromechanical Vacuum Switches

Electromechanical Vacuum Switches

The Presair electromechanical vacuum switch is a general purpose vacuum switch with a user adjustable set-point and small switching differential. This diaphragm operated vacuum switch is high vacuum compatible. The electromechanical vacuum switch contains a pressure sensitive diaphragm which operates a non latching snap action microswitch. The switch can be used to operate an electrical circuit when the system pressure rises or falls through an operator-determined pressure set point between 2.5 to 300 inches of water.

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