Mid-West Instrument Datasheets for Pressure Switches

Pressure switches are actuated by a change in the pressure of a liquid or gas.  They activate electromechanical or solid-state switches upon reaching a specific pressure level.
Pressure Switches: Learn more

Product Name Notes
Model 130 Series -- 130-AC
Model 130 Series -- 130-AE
Model 130 Series -- 130-AG
The Model 130 diaphragm isolated Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards. The entire assembly is Certified...
Model 220 Series -- 220-*A
Model 220 Series -- 220-*C
Model 220 Series -- 220-*E
Model 220 Series -- 220-*F
The Model 220 carries global certifications from CSA, UL, and ATEX. The piston style Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed...
Model 240 Series -- 240-AC
Model 240 Series -- 240-AF
Model 240 Series -- 240-AT
Model 240 Series -- 240-AZ
Model 240 Series -- 240-SC
Model 240 Series -- 240-SF
Model 240 Series -- 240-ST
Model 240 Series -- 240-SZ
Model 240 Series -- 240-ZC
Model 240 Series -- 240-ZF
Model 240 Series -- 240-ZT
Model 240 Series -- 240-ZZ
The Model 240 carries global certifications from CSA, UL, and ATEX. The diaphragm isolated Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed...