Omega Engineering
Mechanical Pressure Switch
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.
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.
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.
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-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.
Series-A2
Subminiature OEM Pressure Switch with High Proof Pressure & Adjustable Terminals
The Series A2 Subminiature Pressure Switch is ideal for OEM applications, featuring high proof pressure and adjustable terminals for easy installation and service.
Series-SA1100
Weatherproof Explosion-Proof Pressure Switches, 3000 psi, 5% Deadband
Diaphragm Operated Pressure Switches are weatherproof and economical. The design maintains a constant effective area to minimize friction.
Series-A6
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.
Series-H2
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.
Series-1000W
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.
Series-A1F
OEM Weatherproof Pressure Switch, 316 SS, 15 A for Pumps & Motors
The OEM Weatherproof Pressure Switch features durable 316 SS construction and a 15 A contact, ideal for direct control of pumps and motors in outdoor applications.
Series-APS-AVS
Adjustable Pressure Switches, Stainless Steel, 12" Leads, OEM Compatible
Discover the Adjustable Pressure Switches series, featuring durable stainless steel construction and 12" leads. Ideal for OEM applications, compressors, and pump control.
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-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-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
Series-DA-DS
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.
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-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.
Series-1630
Large Diaphragm Pressure Switch, UL/CSA, 15A, Visible Set Point, HVAC
Large Diaphragm Differential Pressure Switches are used with air or compatible gases. Applications include damper positioning and industrial service.
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-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-CX
20A SPST Compressor Pressure Switch, Adjustable, 1/4" NPT, Unloader Valve
The 20A SPST Compressor Pressure Switch offers adjustable settings and an unloader valve for efficient control of small air compressors. Easy to install with a versatile design.
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-A1PS-A1VS
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.
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.
Series-CS-CD
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.
Series-AFS
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.
Series-CXA
Water Pump Pressure Switch, Easy Set Point, 1/4 in NPT, for Wells
The CXA Water Pump Pressure Switch is perfect for controlling automatic water systems. Easily adjustable and versatile, it suits all skill levels for well and pumping systems.
Series-MVS
Mini Vacuum Switch for OEM – 10M cycles, fast response, ideal for HVAC
The Mini Vacuum Switch is a compact and lightweight solution designed for OEM applications. With a lifespan of 10 million cycles, it's perfect for HVAC, medical, and pump control.
Series-MHS
Mini High Sensitivity Pressure Switch, Adjustable Set Points, 50 Min Order
The Mini High Sensitivity Pressure Switch features adjustable set points for air or compatible fluids, ideal for controlling pumps and compressors. Minimum order of 50.
PSW-581-Series
Economical OEM Mechanical Pressure Switch
The PSW-581 series are economical, compact DPDT switches with a fixed deadband and UL listed.