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Economical Industrial Pressure Switches for Vacuum to 7500 psi

-30 to -1 inHg, fixed deadband


Article# PSW-801

Remises de volume disponibles
Calendrier de remise sur volume
Quantité Prix unitaire
1-24 C$315.50
25-49 C$299.73
50-99 C$293.42
100-199 C$280.80
200+ C$274.49

En stock

Délai de livraison (si pas en stock): 14 semaines
-30 to -1 inHg, fixed deadband PSW-801 PSW-801
  • UL and CSA Marked
  • Easy Adjustment with Locking Set Screw
  • Rugged Industrial Design
  • Standard 1 /2 " Female Conduit Fitting for Electrical Termination

PSW-801 Options de modèles

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Pressure Range
Pressure Type
Deadband Range
Switch Type
Pressure Port Size
Pressure Port Type

The PSW-800 Series are economical pressure switches which feature an easy-to-adjust setpoint with locking set screw. They utilize a sealed piston or diaphragm-piston design, which is ideally suited for harsh environments. All models come with 300 mm (12') color-coded leads and a ½' female conduit fitting for electrical connections.

Setpoint Repeatability:
   Diaphragm Models (PSW-801 to PSW-807): ±1% of span
   Piston Models (PSW-808 to PSW-811): ±1.5% of span
Contact Rating: 5 amp max @ 125/250 Vac, silver serrated contacts 3 amps max @ 28 Vdc
Temp. Range:
   Vacuum Range: -20 to 75°C (-4 to 167°F)
   ≤500 psi: -30 to 75°C (-22 to 167°F)
   ≥600 psi: -40 to 75°C (-40 to 167°F)
Thermal Effects: <1% for 25°C (45°F) change
Burst Pressure: 2x proof pressure
Sensor Type:
   PSW-801 to PSW-807: diaphragm piston
   PSW-808 to PSW-811: sealed piston
Wetted Parts:
   ≤500 psi: brass, Buna-N
   ≥600 psi: brass, Buna-N and stainless steel
Pressure Port: ¼ NPT male
Electrical Connection: 300 mm (12') free leads with ½' female conduit fitting
UL Marked: Number: E105651
CSA Marked: File: 216524
Housing: Open type plastic housing
Weight: 0.4 kg (0.95 lb)
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Can these be used with 125 VDC? Are they compatible with diesel fuel?

Asked by: CSGPP
The PSW-800 Series pressure switches cannot be used with 125 VDC. Maximum rating for DC Voltage use is 3A max @ 28VDC. The wetted parts would be compatible with diesel oil.
Answered by: JK Applications Engineer
Date published: 2024-03-13

What is the thread size? I am looking to purchase the appropriate tap to thread this pressure switch into a schedule 40 pipe. Usually it&rsquo;s pre threaded but this one was not. &nbsp;

Asked by: Tom G
The process connection thread on all ranges of the PSW-800 Series pressure switches is a 1/4-18 NPT male thread
Answered by: Applicatrions Engineer JK
Date published: 2020-12-03

Do the pressure and vacuum switches have an IP rating?

Asked by: John Doe
Although the PSW-800 are sealed very well they do not have an actual IP or NEMA environmental rating.
Answered by: Applicatrions Engineer JK
Date published: 2022-01-28

Are these switches compatible with DOT 3 brake fluid?

Asked by: Racer
No they are not. The Buna-N material in the switches wetted parts will be attacked by the brake fluid
Answered by: Applicatrions Engineer JK
Date published: 2020-08-25
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