PSW27, PSW28, PSW29 Series
Pressure & vacuum switches
Compact, rugged, pre-fixed setpoint
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Installation instructions for OMEGA PSW27, PSW28 & PSW29 Series: Pressure and
vacuum switches, compact, rugged, pre-fixed setpoint.
These reliable, compact single pole switches are used in pressure and vacuum applications where
moderate accuracy is sufficient. The fixed setpoint is factory set.
Temperature Range: -10 to 75°C (14 to 167°F)
Setpoint Accuracy: +/- 10% at 70°F. Note: pressure settings may change over the temperature range.
PSW27: 1/8" NPT male.
PSW28: Center spout for 1/8" ID tubing. Provided with 9/16-18
PSW29: Radial spout for 1/8" ID tubing.
Approvals: UL recognized, CSA certified, microswitches bear the ENEC & CE Mark.