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Economical OEM Mechanical Pressure Switch
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PSW-581-Series

Economical OEM Mechanical Pressure Switch

4.0
(1)
Models In Stock
  • External Scale for Easy Set Point Adjustments
  • UL Rated Heavy Duty 15 AMP SPDT Switch Standard
PSW-581-Series
From C$ 109.88
Models In Stock
Shop Models
4 Variations available
See all series options below
Economical OEM Mechanical Pressure Switch PSW-581-Series PSW-581-Series
Product Overview
  • Control Output SPDT Relay
  • Cycling < 60 cycles/min
  • Electrical Connection Screw Terminal
  • Process Connection Size 1/4 in
  • Process Temperature, Max 85 °C
  • Process Temperature Note -35 to 85°C (-31 to 185°F); 2% setpoint shift can occur below -23°C (-10°F) or above 52°C (125°F)
  • Switch Type SPDT NO/NC, Selectable
SPECIFICATIONS
Switch:15 Amp SPDT silver contacts
Approvals: UL
Process Temp.: -35 to 85°C (-31 to 185°F) 2% set point shift can occur below -23°C (-10°F) or above 52°C (125°F)
Proof Pressure: 600 psig
Cycling: Not to exceed 60 cycles/min
Warranty: 3 years/1 million cycles
Sensor: Aluminum diaphragm
Wetted Parts: Buna-N, aluminum, zinc alloy chromate finish, and loctite sealing compound #271
Enclosure: Switch actuator and bracket steel: irridite finish; adjusting cap and body: zinc alloy chromate finish; switch shield: mylar
Pressure Port: ¼ NPT male
Electrical Conn.: Screw terminals
Size: 92 H x 60 W x 41 mm dia. (3-5/8 H x 2-3/8 W x 1-5/8' Dia.)
Weight: 210 g (7.4 oz)
4.0
(1)
Rated 4 out of 5 by from Great Feature We buy this switch from time to time to use in poultry barn applications. Our service tech uses them in the water systems, and likes the adjustable feature on them.
Date published: 2016-10-20
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What voltage is it rated for?

Asked by: clubbrug
Ratings are 15A @ 250VAC max and 9A @ 30VDC max
Answered by: Applications Engineer JK
Date published: 2023-06-01

Can this switch be used with Propylene Glycol and water mixtures ?

Asked by: Kevin K
Thank you for your inquiry, the PSW-582 has Aluminum diaphragm &amp; Wetted Parts: Buna-N, aluminum, zinc alloy chromate finish, and loctite sealing compound #271. You would need to consult with Propylene Glycol manufacturer to ensure the compatibility.
Answered by: rkent
Date published: 2021-12-02
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