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Pressure Switches
Fixed Setpoint Pressure and Vacuum Switches - Discontinued

PSW27, PSW28, and PSW29 Series

Pressure and Vacuum Switches, Compact Rugged Pre-Fixed Setpoint | PSW27, PSW28, and PSW29 Series

USD45.00 PSW29-10P

PLACE ORDER
  • UL Recognized, CSA Certified Up to 21 Amps
  • Fixed Setpoint
  • Pressure and Vacuum Models Available
  • 1/8 NPT, Center Spout or Radial Spout for 1/8 ID Tubing
  • Compact, Rugged Design

Description

The PSW27, PSW28 and PSW29 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.

These reliable compact single pole switches are used in pressure and vacuum applications where moderate accuracy is sufficient. The fixed setpoint is factory set.

Specifications
Approvals: UL Recognized, CSA Certified, microswitches bear the ENEC and CE mark
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.
Electrical: SPDT; 250 Vac, see table for Amp rating.
Electrical Connection: 6.35 mm (0.25") standard "Slide-On" male
Materials of Construction
   Body: Acetal
   Diaphragm: EPDM (Ethylene-Propylene Diene Monomer)
Pressure Connection
   PSW27: 1/8 NPT male
   PSW28: Center spout for 1/8" ID tubing. Provided with 9/16-18 mounting and tube lock nut
   PSW29: Radial spout for 1/8" ID tubing.Through hole legs for mounting bolt
Hysteresis (Dead Band)
   Pressure Switches: Approximately 25% of the setpoint
   Vacuum Switches: Approximately 30% of the setpoint
Media Compatibility: Liquids and gases compatible with EPDM and Acetal
Weight: 17 g (0.6 oz)
Overall Dimensions: 45 x 51 x 25 mm (1.75 x 2 x 1")
Place Order(Specify Model Number)
Part Number/Desc.
Qty
Description
PSW27 PRESSURE SWITCHES WITH 1/8 MNPT FITTING
PSW27-1P
Consult Sales  
Availability: 
 
 
1 psig pressure switch
PSW27-2P
Consult Sales  
Availability: 
 
 
2 psig pressure switch
PSW27-5P
Consult Sales  
Availability: 
 
 
5 psig pressure switch
PSW27-10P
Consult Sales  
Availability: 
 
 
10 psig pressure switch
PSW27-20P
Consult Sales  
Availability: 
 
 
20 psig pressure switch
PSW27-30P
Consult Sales  
Availability: 
 
 
30 psig pressure switch
PSW27-40P
Consult Sales  
Availability: 
 
 
40 psig pressure switch
PSW27-50P
Consult Sales  
Availability: 
 
 
50 psig pressure switch
PSW27V VACUUM SWITCHES WITH 1/8 MNPT FITTING
PSW27V-25W
Consult Sales  
Availability: 
 
 
25 inch of water vacuum switch
PSW27V-30W
Consult Sales  
Availability: 
 
 
30 inch of water vacuum switch
PSW27V-40W
Consult Sales  
Availability: 
 
 
40 inch of water vacuum switch
PSW27V-50W
Consult Sales  
Availability: 
 
 
50 inch of water vacuum switch
PSW27V-75W
Consult Sales  
Availability: 
 
 
75 inch of water vacuum switch
PSW27V-100W
Consult Sales  
Availability: 
 
 
100 inch of water vacuum switch
PSW27V-200W
Consult Sales  
Availability: 
 
 
200 inch of water vacuum switch
PSW28 PRESSURE SWITCHES WITH CENTER SPOUT FOR 1/8 ID TUBING
PSW28-1P
Consult Sales  
Availability: 
 
 
1 psig pressure switch
PSW28-2P
Consult Sales  
Availability: 
 
 
2 psig pressure switch
PSW28-5P
Consult Sales  
Availability: 
 
 
5 psig pressure switch
PSW28-10P
Consult Sales  
Availability: 
 
 
10 psig pressure switch
PSW28-20P
Consult Sales  
Availability: 
 
 
20 psig pressure switch
PSW28-30P
Consult Sales  
Availability: 
 
 
30 psig pressure switch
PSW28-40P
Consult Sales  
Availability: 
 
 
40 psig pressure switch
PSW28-50P
Consult Sales  
Availability: 
 
 
50 psig pressure switch
PSW29 PRESSURE SWITCHES WITH RADIAL SPOUT FOR 1/8 ID TUBING
PSW29-1P
Consult Sales  
Availability: 
 
 
1 psig pressure switch
PSW29-2P
Consult Sales  
Availability: 
 
 
2 psig pressure switch
PSW29-5P
Consult Sales  
Availability: 
 
 
5 psig pressure switch
PSW29-10P
Consult Sales  
Availability: 
 
 
10 psig pressure switch
PSW29-20P
Consult Sales  
Availability: 
 
 
20 psig pressure switch
PSW29-30P
Consult Sales  
Availability: 
 
 
30 psig pressure switch
† All amounts shown in USD
 Note: Note: Mineral Oil and similar fluids are not compatible with EPDM.
 Ordering Example: (1) PSW27-10P 10 psi differential pressure switch with 1/8 NPT fitting, USD45.00
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