FB20 pressure switches are used to regulate tank pressure between two preset values on small electrically driven air compressors. Equipped with an unloader valve, they could prevent compressors from starting under load. The auto-off disconnect lever for manual cut off the compressor. Both one and four-ports manifold style are available which provides easy mounting of valves and gauges.  

• Corrosion resistant non-metallic cover
• No wire looping
• Straight through wiring
• Visible contacts
• No-drift pressure settings
• Captive cover screw
• Easy to adjust
• Ample wiring room
• Ground screws

Other Pressure Settings and Differential Pressure are available on request.

Conversion: 1Mpa =10bar,1bar = 14.5PSI