F-4100 Series Miniature Pressure Switch

  • Snap-Action Switch
  • Fast Response

F-4100 Series Miniature Pressure Switch

Air Logic F-4100 Series Miniature Pressure Switch

The F-4100 Series Miniature Pressure Switches interface from pressure to electrical control circuits; they are ideal for general sensing applications.

The switches are available with preset and adjustable pressure settings. The F-4100-50 is preset at 5" H2O and the F-4100-90 is preset at 15" H2O. The F-4100-85W is adjustable, 8 to 85" H2O. The F-4100-100 and the F-4100-200 are adjustable, 0.5 to 15 PSI.

The switches have three electrical terminals: Normally Open, Normally Closed and Common. Switch amperages are listed in the chart below. Switches are provided with a B80 Barb, 10-32 UNF Barbed Fitting, for 1/16" I.D. tubing unless otherwise requested.

Electrical Specifications

Switch Action: Single pole, double throw
Electrical Rating: 0.1, 5, or 15 AMP, 125 or 250 Volt AC
Electrical Switch: UL and CSA Approved
Electrical Connections: .187" quick-connect terminal

Mechanical Specifications

Operating Speed: 25 milliseconds
Signal Pressure: See chart below.
Temperature Limits: 40 degrees to 120 degrees F. (4 degrees to 49 degrees C.)

Housing: Polysulfone
Diaphragm: Polyurethane
Spring: Stainless Steel or Music Wire

Port Connections

10-32 female threads, furnished with barbed fitting: 

B80: 10-32 UNF Barbed Fitting for 1/16" I.D. tubing
B85: 10-32 UNF Barbed Fitting for 1/8" I.D. tubing
B86: 10-32 UNF Barbed Fitting for .170" I.D. tubing


Flush Mount: Mounting hole has a diameter of .149"; use No. 6-32 screw