Omega Engineering
Pressure Switches
PSW-500

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.
Series-1900
PSW-100

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.
Series-1950

Explosion-proof Differential Pressure Switch
series-adps-edps

HVAC Differential Pressure Switch
HVAC Differential Pressure Switch which applies to controlling air and fire-protection dampers and monitoring air filters and ventilators.
Series-1831

Series 1831 DPDT Low Differential Pressure Switches
DPDT Low Differential Pressure Switches which applies to HVAC and high duct static cutout applications. Absolutely no power is required to operate the DPDT switch. Set point adjustment on the switch is easily accessible for modifying the set point.
DA-DS-Series

Pressure Switch
PSW-1110

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.
PSW-400

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.
PSW-800

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.
PSW-12

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.
PSW-681-Series

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.
PSW-690

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.
PSW-621-Series

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.
PSW-190

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.
EDA-ELECTRONIC-PRESSURE-CONTROLLER

ELECTRONIC PRESSURE CONTROLLER
The EDA series are versatile, compact pressure controllers that have two SPDT relays, a large display for easy programming, and four LED indicators for high visibility.
PSW2100

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.
PSW-581-Series

Economical OEM Mechanical Pressure Switch
The PSW-581 series are economical, compact DPDT switches with a fixed deadband and UL listed.
PSW-180

Industrial Differential Pressure Switch or Alarm
The PSW-180 series are compact, differential 5 A SPDT switches with the option of a relay or alarm output. They have NEMA-4X housings to withstand harsh environments.
series-mcs

Miniature Current Switch
Miniature Current Switch is ideal for monitoring the current usage in fuse boxes and small control panels. The no core version has terminal blocks which can accept currents up to 1 A directly into the unit.
PSW-300

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.
PSW-601

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.
Series-1800
1950G-Series
SERIES-PG

Series PG Gas Pressure/Differential Pressure Switch
Gas Pressure/Differential Pressure Switch is used with air and other compatible gases. Clear easy-to-read, and convenient external setpoint adjustment. Applications include natural, manufactured or LP gas.
PSW-200

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.
series-1996-gas-pressure-switch
Series-1630

Series 1630 Large Diaphragm Pressure Switches
Large Diaphragm Differential Pressure Switches are used with air or compatible gases. Applications include damper positioning and industrial service.
PSW845

OEM Mechanical Differential Pressure Switch
The PSW-845 series are economical, compact 250 mA SPDT differential pressure switches with a fixed deadband and excellent bypass characteristics.
PSW-700

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
PSW-850

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.
PSW-150

General Purpose Industrial Differential Pressure Switch
The PSW-150 series are differential 15 A DPDT switches with a fixed deadband and UL listing for general purpose applications.
PSW-370-Series

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.