Vacuum Switches | McMaster-Carr

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Operates On

Pressure Set Point

0 in. Hg to 1.4 in. Hg

0 in. Hg to 14.8 in. Hg

0 in. Hg to 29 in. Hg

0 in. Hg to 29 1/2 in. Hg

0 in. Hg to 29.7 in. Hg

0 in. Hg to 30 in. Hg

2 in. Hg

2.7 in. Hg to 28.2 in. Hg

3 in. Hg to 29 in. Hg

For Use With

Hydraulic Fluid (Petroleum Based)

Pipe Size

Set Point Adjustability

Thread Type

Maximum Switching Current @ Voltage

Wire Connection

Maximum Continuous Pressure

Fitting Connection

Measurement Unit

Kilograms per Square Centimeter

Kilopascals

Megapascals

Millibars

Millimeters of Mercury

Pounds per Square Inch

Approximate Difference Between Set Point and Reset Point

Switch Starting Position

Maximum Short-Term Pressure

Certification

C-UL Recognized Component

UL Recognized Component

Maximum Environment Temperature

Number of Circuits Controlled

Electrical Connection

Signal Output

Environment

RoHS

Compliant with Exemptions

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Connection Material

56 Products

Vacuum Switches

Fixed Setpoint Vacuum Switches

Prevent changes to the set level of vacuum

14 products

Economy Vacuum Switches

Choose when you need reliable switching but not high accuracy

1 product

Vacuum Switches

Activate controls, alarms, and equipment when a set vacuum is reached

2 products

Electronic Vacuum Switches for Compressed Air

Send signals to a PLC to trigger processes in air systems

3 products

Dual-Setpoint Electronic Vacuum Switches for Compressed Air

Program two setpoints to trigger two different processes
Send signals to a PLC to trigger processes in air systems

2 products

Compact Vacuum Switches

Often built into pumps and hydraulic systems with limited space

3 products

Adjustable-Reset Vacuum Switches

Adjust reset point to control the vacuum change between turning on and off

2 products

Other Products

Pressure and Vacuum Switches

Activate controls, set off alarms, and power equipment when a set pressure or vacuum is reached

6 products

Pressure and Vacuum Transmitters

Convert pressure and vacuum measurements into a signal sent to remote displays and controllers

23 products

Pressure Switches

Activate controls, set off alarms, and power equipment when a set pressure is reached

2 products