P10 Pressure Switches
3-20 psig (21-138 kPa) The common terminal is red. The
red-to-yellow terminals close an electrical circuit on a rise in
pressure; the red-to-blue terminals close a circuit on a drop in
pressure. 1/8" NPT with 1/4" barb
Low
differential air pressure switches
sense pressure, vacuum or differential pressure in
applications including fan status, dirty filter monitoring, or
frost build-up on coils.
AFS-222
Differential pressure switches SPDT contacts
Range 0.05" W.C. to 12.0" W.C.
AFS262
Differential pressure switches have SPDT contacts
Range 0.05" W.C. to 2.0" W.C.
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