Omega Products PSW23-10P Installation Manual
PSW23, PSW24, PSW25 Series
Pressure, Vacuum and differential switches,
Printed circuit board mountable.
INSTRUCTION
SHEET
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M4069-0504
Installation instructions for OMEGA PSW23, PSW24 & PSW25 Series: Pressure,
vacuum and differential switches, printed circuit board mountable.
General
These new miniature single pole switches are used in pressure and vacuum applications where moderate
accuracy is sufficient. The fixed set point is factory set. Models are UL recognized and CSA certified.
Several fitting styles are available, and leads are an option. Pressure, vacuum and differential models
available.
Additional Information
Temperature Range: -10 to 75°C (14 to 167°F)
Electrical: SPST (N.O.) 1 amp resistive 250 Vac. Ratings are dependent upon actuation pressure and
must be derated at lower pressures (under 1 psi).
Setpoint Accuracy: +/- 10% at 70°F. Note: pressure settings may change over the temperature range.
Pressure Connection:
PSW23: 1/8" NPT male.
PSW24: Center spout for 1/8" ID tubing. Provided with 9/16-18
mounting nut.
PSW25: Radial spout for 1/8" ID tubing.
Approvals: UL recognized, CSA certified.
PSW23 Series
Mounting Instructions
PSW23 series come with a 1/8 NPT male pressure connection with a 9/16 threaded mounting, nut
included.
Specifications for PSW23 Series Pressure Switches
Model No. Fixed Setpoint Proof Pressure
PSW23-10W 10" H2O 250" H2O
PSW23-20W 20" H2O 250" H2O
PSW23-1P 1 psig 40 psig
PSW23-2P 2 psig 40 psig
PSW23-10P 10 psig 40 psig
PSW23-20P 20 psig 40 psig
PSW23-30P 30 psig 60 psig
Specifications for PSW23 Vacuum Switches
Note: On vacuum models, black side spout is the vacuum port.
Model No. Fixed Setpoint Proof Pressure
PSW23V-10W 10" WC Vac 300" WC Vac
PSW23V-20W 20" WC Vac 300" WC Vac
PSW23V-50W 50" WC Vac 300" WC Vac
PSW23V-100W 100" WC Vac 300" WC Vac
PSW23V-200W 200" WC Vac 400" WC Vac
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