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OEM Mechanical Pressure Switch for Indoor Applications
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PSW-621-Series

OEM Mechanical Pressure Switch for Indoor Applications

4.0
(2)
Models In Stock
  • Watertight, Corrosion-Resistant Case
  • Thin Film Sensor for Long Stabile Life – Minimum 1 Million Cycles at Rated Load
  • Reliable in Industrial Environments
  • Field Adjustable
PSW-621-Series
From C$ 225.81
Models In Stock
Shop Models
16 Variations available
See all series options below
OEM Mechanical Pressure Switch for Indoor Applications PSW-621-Series PSW-621-Series
Product Overview
  • Control Output SPST Relay
  • Cycling < 20 cycles/min
  • Deadband Type Adjustable
  • Diameter 1.1 in
  • Electrical Connection Pigtail Leads
  • Insulation PVC
  • Lead Length 12 in
  • Materials Zinc Alloy
  • Materials, Wetted 17-4 Stainless Steel, Methacrylate Ester, Zinc-Aluminum Alloy with Chromate Finish
  • Process Connection Size 1/8 in
  • Process Connection Type NPT Male
  • Process Temperature, Max 105 °C
  • Process Temperature, Min -55 °C
  • Process Temperature Note -55 to 105°C (-65 to 221°F); 2% setpoint shift can occur below -23°C (-10°F) or above 52°C (125°F)
  • Proof Pressure 150% Full Scale
  • Setpoint Repeatability ± 2%
  • Setpoint Repeatability Note ± 2% of maximum system pressure
  • Switch Single
  • Switch Type SPST
  • Weight 2 oz
  • Wire Gauge 20 AWG
  • Wiring/Connector Table Red = N/C, White = N/O, Black = Common
The PSW-621 series is a compact, economical mechanical pressure switch designed for indoor industrial use. Featuring a 1.10-inch diameter and zinc alloy construction, it offers a fixed deadband and SPST relay output, ensuring reliable pressure control in various applications.
4.0
(2)
Rated 3 out of 5 by from It works It works as advertised, but adjustment pressure setting is ballpark.
Date published: 2020-06-24
Rated 5 out of 5 by from Great compact switch I installed on a vacuum table and it was perfect for the box size and worked very well, also very easy to set. Great product.
Date published: 2016-04-28
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Can this be used on oxygen line

Asked by: Jabma
The PSW-620 cannot be used for oxygen.
Answered by: Applicatrions Engineer JK
Date published: 2023-11-28

what is the wiring for these used in nc operation

Asked by: josephs
Thank you for your question. The unit can be wired ether normally open or closed. The n/c is used mostly for decrease in pressure. Hope this was helpful
Answered by: application engineer je
Date published: 2022-01-04
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