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Pressure Switches

38 Products
Low-Pressure Diaphragm Pressure Switch, Weather & Explosion-Proof

The Series AP Low-Pressure Diaphragm Pressure Switch features a weatherproof and explosion-proof design, ideal for low-pressure applications and easy external adjustments.

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.

OEM Mechanical Pressure Switch for Low Pressure and Vacuum

The PSW-681 series are compact, economical SPST switches with a fixed deadband for extremely low pressure and vacuum ranges.

Explosion-Proof Diaphragm Pressure Switch, UL Listed, Durable for Industrial Use

The Series 1000E Explosion-Proof Diaphragm Pressure Switch is UL listed and designed for industrial use, featuring a durable, weatherproof housing for reliable performance.

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.

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.

Economical OEM Mechanical Pressure Switch

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

Heavy Duty Industrial NEMA-9 Pressure Switch for High Temps

The PSW-700 series are heavy duty SPDT switches with a fixed or adjustable deadband that have NEMA-7 and NEMA-9 housings to withstand high temperatures and harsh environments

Compact Diaphragm Pressure Switch, SPDT, Visible Set Point, Vibration Resistant

The Compact Diaphragm Pressure Switch features a visible set point and SPDT design, ideal for small compressors and industrial use. It's vibration-resistant and easy to install.

Adjustable Flow Switches for Oils & Gases, 0.5-20 GPM, Piston Design

The Series AFS Adjustable Flow Switches feature piston design for oils, liquids, and gases. Easily set flow rates from 0.5 to 20 GPM for reliable control and protection.

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.

Industrial Solid State Pressure Switch for High Cycles

The PSW-601 series are 10 A SPDT solid state switches for high cycle applications. They have an adjustable deadband and NEMA-4X housing to withstand harsh environments.

Economical 15A SPDT Pressure Switch for Pumps & Motors, Adjustable Set Point

The Economical 15A SPDT Pressure Switch is ideal for pumps and motors. It features an adjustable set point for easy installation and reliable performance in various applications.

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.

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.

Dual-Action Explosion-Proof Pressure Switch, UL/CSA Listed, Adjustable

The Dual-Action Explosion-Proof Pressure Switch is UL/CSA listed, designed for harsh environments, and features adjustable settings for independent operation.

Heavy Duty Industrial NEMA-9 Pressure Switch

The PSW-400 series are SPDT switches with an adjustable deadband and have NEMA-7 and NEMA-9 housings to withstand 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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