presair
PCB Mount Vacuum Switches
PCB mount vacuum switches are miniature single-pole or double-pole units designed for applications requiring moderate accuracy. These compact switches offer vacuum sensing ranges from 6 to 200 inches of water gauge (IN.W.G.). The actuation point is specified by the customer and factory set by Presair, with the vacuum setting clearly marked on the switch housing.
Select models include field adjustment capability to support flexible integration into various system designs.
custom options
Wide variety of options available to meet original equipment manufacturers product requirements.
high quality
Highly stable with good repeat accuracy. All switches are 100% tested at high & low settings, & at proof pressure.
safe & economical
Remote operation with complete electrical isolation. UL Recognized. Costs less than conventional controls.
made in u.s.a.
Presair switches are designed & manufactured in Eau Claire, Wisconsin U.S.A.
PCB mount vacuum switches are single-function controls with internal electrical contacts, designed for direct installation on printed circuit boards. These compact switches feature momentary switching logic and provide pneumatic actuation within electronic control circuits.
Their small size and range of connection styles allow easy integration into tight spaces and PCB-based designs. While intended for board mounting, these switches can also be retrofitted into other systems using wire leads. Vacuum sensing is available from 6 to 200 inches of water.
Specifications
- Factory set vacuum range: 6 to 200 inches of water
- Select models available with field adjustment
- Differential sensing capability available
- Single Pole Single Throw (SPST); DPST models also available
- UL / cUL Recognized
- Variety of mounting and air connection configurations