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Pressure Switches
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Large Diaphragm Differential Pressure Switches are used with air or compatible gases. Applications include damper positioning and industrial service.
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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.
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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.
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The PSW-690 series are compact, economical SPST switches with all stainless steel wetted part and high purity, making them suitable for medical applications.
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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.
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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.
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The PSW-100 series are 15 A DPDT switches with a fixed or adjustable deadband, adjustment lock, and UL listing for general purpose applications.
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The Series A2 Subminiature Pressure Switch is ideal for OEM applications, featuring high proof pressure and adjustable terminals for easy installation and service.
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Diaphragm Operated Pressure Switches are weatherproof and economical. The design maintains a constant effective area to minimize friction.
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The PSW2100 series features 2 alarm outputs, a 5-digit OLED display, 3 buttons for easy programming and operation, and a durable IP67 housing.
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The PSW-1110 series are cost-effective digital pressure switches that are easy to read, easy to program, and perfect for small spaces.
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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.
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The PSW-581 series are economical, compact DPDT switches with a fixed deadband and UL listed.
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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
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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.
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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