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Pressure Switches
PCB Mountable Pressure, Vacuum and Differential Switches - Discontinued

PSW23, PSW24, and PSW25 Series

Pressure, Vacuum and Differential Switches, PCB Mountable | PSW23, PSW24, and PSW25 Series

Pressure, Vacuum and Differential Switches, PCB Mountable

See All Models Below

PLACE ORDER
  • UL Recognized, CSA Certified
  • Printed Circuit Board Mountable
  • Leads Available as an Option
  • Several Fitting Styles Available
  • Pressure, Vacuum and Differential Models Available
  • Fixed Setpoint

Description

The PSW23, PSW24 and PSW25 Series have been discontinued. Some stock still remains; please check the specific item you are seeking to see if there is remaining inventory. Please see the Pressure Switch Product Finder or contact Omega Sales for possible alternatives.

Specifications
Temperature Range: -10 to 75°C (14 to 167°F)
Setpoint Accuracy: ±10% of setting at 70°F
Note: Pressure settings may change over the temperature range.
Lower Body: Rynite plastic (with pin terminals molded in)
Upper Body: Acetal plastic
Diaphragm: EPDM (Ethylene-Propylene Diene Monomer)
Internal Parts: Acetal plastic
Screws: Stainless steel or zinc-plated steel, flash
Contacts: SPST (Normally Open) Gold flash over silver-plated copper alloy
Pins: Gold flash over silver-plated copper alloy
Leads [Optional (-L)]: 8", 20 AWG stranded PVC insulated wire fastened to the switch terminals.
Electrical: SPST (N.O.), 1 amp resistive 250 Vac.
Ratings are dependent on actuation pressure and must be derated at lower pressures (under 1 psi).
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.
Proof Pressure:See spec sheet
Hysteresis (Deadband): Negligible
Media Compatibility: liquids and gases compatible with EPDM Acetal plastic.
Note: Mineral Oil and similar fluids are not compatible with EPDM. Contacts are exposed to media on base spout.
Overall Dimensions: 38 x 25 mm (1.5 x 1")
Pin Spacing: 0.5" centers
Weight: 6 g (0.2 oz)
Approvals: UL recognized, CSA certified switches
Place Order(Specify Model Number)
Part Number/Desc.
Qty
Description
PSW23 PRESSURE SWITCH WITH 1/8 MNPT FITTING
PSW23-10W
Consult Sales  
Availability: 
 
 
10 inH2O setpoint
PSW23-20W
Consult Sales  
Availability: 
 
 
20 inH2O setpoint
PSW23-1P
Consult Sales  
Availability: 
 
 
1 psig setpoint
PSW23-2P
Consult Sales  
Availability: 
 
 
2 psig setpoint
PSW23-10P
Consult Sales  
Availability: 
 
 
10 psig setpoint
PSW23-20P
Consult Sales  
Availability: 
 
 
20 psig setpoint
PSW23-30P
Consult Sales  
Availability: 
 
 
30 psig setpoint
PSW23 VACUUM SWITCH WITH 1/8 MNPT FITTING
PSW23V-10W
Consult Sales  
Availability: 
 
 
10 inWC vacuum setpoint
PSW23V-20W
Consult Sales  
Availability: 
 
 
20 inWC vacuum setpoint
PSW23V-50W
Consult Sales  
Availability: 
 
 
50 inWC vacuum setpoint
PSW23V-100W
Consult Sales  
Availability: 
 
 
100 inWC vacuum setpoint
PSW23V-200W
Consult Sales  
Availability: 
 
 
200 inWC vacuum setpoint
PSW24 PRESSURE SWITCH WITH CENTER SPOUT FOR 1/8" ID TUBING
PSW24-10W
Consult Sales  
Availability: 
 
 
10 inH2O setpoint
PSW24-20W
Consult Sales  
Availability: 
 
 
20 inH2O setpoint
PSW24-1P
Consult Sales  
Availability: 
 
 
1 psig setpoint
PSW24-2P
Consult Sales  
Availability: 
 
 
2 psig setpoint
PSW24-10P
Consult Sales  
Availability: 
 
 
10 psig setpoint
PSW24-20P
Consult Sales  
Availability: 
 
 
20 psig setpoint
PSW24 VACUUM SWITCH WITH CENTER SPOUT FOR 1/8" ID TUBING
PSW24V-10W
Consult Sales  
Availability: 
 
 
10 inWC vacuum setpoint
PSW24V-20W
Consult Sales  
Availability: 
 
 
20 inWC vacuum setpoint
PSW24V-50W
Consult Sales  
Availability: 
 
 
50 inWC vacuum setpoint
PSW24V-100W
Consult Sales  
Availability: 
 
 
100 inWC vacuum setpoint
PSW24V-200W
Consult Sales  
Availability: 
 
 
200 inWC vacuum setpoint
PSW25 PRESSURE SWITCH WITH RADIAL SPOUT FOR 1/8" ID TUBING
PSW25-10W
Consult Sales  
Availability: 
 
 
10 inH2O setpoint
PSW25-20W
Consult Sales  
Availability: 
 
 
20 inH2O setpoint
PSW25-1P
Consult Sales  
Availability: 
 
 
1 psig setpoint
PSW25-2P
Consult Sales  
Availability: 
 
 
2 psig setpoint
PSW25-10P
Consult Sales  
Availability: 
 
 
10 psig setpoint
PSW25-20P
Consult Sales  
Availability: 
 
 
20 psig setpoint
† All prices on this site are shown in Singapore Dollars.
 Note: To order models with 8" leads add suffix "-L" to the part number and $5 to the price.

Differential models may be used for differential or gauge pressure depending on connections.
(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)
 Ordering Example: (1) PSW24-10P 10 psi pressure switch with 1/8, SGD61.00

Part Number Builder

Option Descriptions:


(1) CONNECTION select from:
23 for 1/8 NPT
24 for center spout
25 for radial spout

(2) TYPE select from:
for blank for differential pressure
V for vacuum

(3) range select from:
10W for 10 inches of water
20W for 20 inches of water
50W for 50 inches of water
100W for 100 inches of water
200W for 200 inches of water
1P for 1 psi
2P for 2 psi
10P for 10 psi
20P for 20 psi
30P for 30 psi

(4) CONNECTION select from:
for pin connections leave blank
-L for for 8" leads
Note: All combinations may not be valid, check spec sheet for valid part numbers.
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