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Pressure Switches

18 Products
OEM Mechanical Pressure Switch with High Purity

The PSW-690 series are compact, economical SPST switches with all stainless steel wetted part and high purity, making them suitable for medical applications.

OEM Mechanical Pressure Switch for Indoor Applications

The PSW-621 series are economical, compact SPST switches with a fixed deadband and zinc alloy composition that makes these suitable for indoor industrial applications.

OEM Mechanical Pressure Switch with Relay or Alarm

The PSW-500 series are compact, economical SPST switches with a fixed deadband and optional relay or alarm output for pressure up to 6,000 psi.

OEM Mechanical Pressure Switch for Harsh Environments with 2 Outputs

The PSW-190 series are economical, compact SPDT switches with a fixed deadband that are available with a Buna-N or FKM diaphragm and o-ring for use in harsh environments.

Vibration Resistant Switches for Class I Hazardous Locations

The PSW-12 series are SPDT sealed switches that feature Belleville technology for superior longevity, stability, and vibration resistance in Class I hazardous locations.

General Purpose Industrial Pressure Switch

The PSW-100 series are 15 A DPDT switches with a fixed or adjustable deadband, adjustment lock, and UL listing for general purpose applications.

OEM Mechanical Pressure Switch for Harsh Environments

The PSW-800 series are economical, compact 5 A SPST switches with a fixed deadband that are UL listed and CSA certified for harsh environment applications.

Electronic Pressure Switch with OLED Display and Alarm Outputs

The PSW2100 series features 2 alarm outputs, a 5-digit OLED display, 3 buttons for easy programming and operation, and a durable IP67 housing.

Digital, Miniature Pressure Switch with Display

The PSW-1110 series are cost-effective digital pressure switches that are easy to read, easy to program, and perfect for small spaces.

Industrial Pressure Switch for Harsh Environments

The PSW-300 series are 10 A SPDT switches with fixed or adjustable deadbands that are UL listed and CSA certified along with a NEMA-4X enclosure for harsh environments.

Economical OEM Mechanical Pressure Switch

The PSW-581 series are economical, compact DPDT switches with a fixed deadband and UL listed.

Industrial Pressure Switch for Harsh Environments with 2 Outputs

The PSW-370 series are 15 A SPDT switches with a fixed deadband and dual outputs that are UL listed and CSA certified along with a NEMA-4X enclosure for harsh environments.

Bourdon Tube Pressure Switches with External Adjustments for HVAC & Pumps

The Series DA/DS Bourdon Tube Pressure Switches offer high sensitivity and repeatability, with external adjustments for easy pressure setting. Ideal for HVAC and pump control.

Weatherproof Diaphragm Pressure Switch for Chemical & Industrial Use

The Weatherproof Diaphragm Pressure Switch is designed for chemical and industrial use, featuring rugged construction and reliable performance in harsh environments.

Digital Pressure Transmitter, LED Display, Programmable Switches, 3-Way Design

The Series DPT Digital Pressure Transmitter features a 14-segment LED display, programmable switches, and a versatile 3-way design for easy installation and visibility.

Durable Pressure Switches – Polyimide Diaphragm – 1/4 in NPT Male

The Series A6 Durable Pressure Switches feature a polyimide diaphragm and 1/4" NPT male connection, ideal for extended duty applications and versatile mounting.

Industrial Hermetic Pressure Switch for Harsh Environments

The PSW-200 series are hermetically sealed SPDT and DPDT switches that are UL listed and cUL certified with a NEMA-4X housing for harsh environments.

General Purpose Industrial Pressure Switch with 2 Outputs

The PSW-850 series are 15 A SPDT switches with a fixed deadband and two or three outputs for general purpose applications.

Pressure Switches

Pressure Switches provide electrical switching when pressure reaches an adjusted or fixed setpoint. Products in this category span Omega Engineering and Dwyer Instruments industrial switches, digital miniature switches with displays, vibration-resistant switches for hazardous locations, OEM mechanical switches, hermetic and NEMA 4X switches, heavy-duty NEMA 7 and NEMA 9 switches, steam-cleaner switches, and compact high-sensitivity models.

Applications include:

  • Pump, compressor, and hydraulic pressure control
  • Industrial high or low pressure alarms
  • OEM equipment and compact machine protection
  • Hazardous, harsh, vibrating, or high-current applications when supported by the selected switch

Choose by setpoint range, deadband, contact rating, pressure media, diaphragm or seal material, enclosure, approvals, and reset behavior.

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