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OMEGA PSW531 Pressure Switch

The PSW-531 is a miniature pressure and vacuum switch designed for high-pressure applications up to 700 psi. It features stainless steel, sealing compound, and O-Ring wetted parts for reliability. The switch offers adjustable setpoints with external pressure scale and pointer for easy calibration. Suitable for systems requiring precise pressure control, it comes complete with an operator's manual. The PSW-531 provides durable construction, high proof pressure, and reliable dry-contact closures, making it ideal for industrial pressure monitoring and control systems.

Authorized Distributors
Source:DigiKey
Part No:PSW-531
Stock:0
Inv Date:06-12-2026
Price: Unit price: $321.32
Buy/RFQ:

OMEGA PSW531 Pressure Switch Specifications:

  • Proof Pressure: 150% max system pressure
  • Wetted Parts: 17-7 PH stainless steel, 303 stainless steel, Buna-N O-ring, loctite #271
  • Process Temperature Range: -55°C to +105°C
  • Dimensions: 65 mm length x 28.6 mm diameter (2.56 x 1.13 inches)
  • Pressure Port: 4-27 NPT
  • Electrical Connection: 20 AWG, 3 polyvinyl-insulated, unjacketed, 300 mm pigtail leads
  • Wiring Code (Pressure): Black = Common, White = N/C, Red = N/O
  • Weight: 113 g (4 oz)
  • Enclosure: Body made of 303 stainless steel, internal switch housing and lock ring of zinc alloy, cap of Black Valox
  • Switch Rating: 1A SPDT 115/28V or 5A SPDT 250/28V, resistive and inductive loads
  • Operating Cycle: Up to 20 cycles/min
  • Warranty: 3 years or 1 million cycles

Buy the Buy Industrial Equipment Pressure Switch Part Number PSW531 Online

Order the PSW-531 pressure switch online today for high-pressure industrial applications up to 700 psi. This stainless steel constructed device offers adjustable setpoints, durable sealed wetted parts, and reliable dry or TTL contact closures. Perfect for system monitoring, it features easy calibration with external pressure scale, robust wiring, and a 3-year warranty. Enhance your automation or control system performance by purchasing this high-quality, compact pressure switch online, ensuring precise and dependable operation in demanding industrial environments.

Buy industrial pressure switches like PSW-531 now and ensure reliable system monitoring with high durability and precise pressure control.

Frequently Asked Questions

Where can I buy OMEGA PSW531?

You can click on the BUY or RFQ button to purchase PSW531 from an authorized OMEGA distributor.

How do I troubleshoot issues or seek technical support for part PSW531?

You can download the PSW531 datasheet or visit the OMEGA website for support.

Who is the manufacturer of PSW531?

OMEGA

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