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Mechanical pressure switches supply simple setpoint-triggered signals and deliver long life in various applications with challenging environments. Solid-state pressure switches use strain gauge technology to provide over 50 million switch cycles with long-term stability and no drift.
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Pressure Switches
Category Selection
Pressure switches provide setpoint-triggered signals to indicate when a system has reached or lost pressure, depending on the limits set by the user.
- Electronic pressure switches have no moving parts and provide long-term stability without setpoint drift
- Mechanical pressure switches provide precision snap-action SPDT contacts
For part listings and specifications, go to Shop Now
PSD25 Series Electronic
ProSense PSD25 series electronic pressure switches utilize strain gauge technology and are ideal for applications such as hydraulic and pneumatic pressure control, adjustable air pressure monitoring, and vacuum sensing.
- Up to 5800 psig pressure sensing range
- Complementary PNP switching outputs (N.O./N.C.)
- 9.6 to 32 VDC operating voltage
- Durable 316 stainless steel housing
- 1/4" NPT male process connection
- M12 quick-disconnect
- IP67 rating guarantees reliable performance in wet or dusty conditions
Starting at
$125.00
(PSD25-0P-0145H)
MPS25 Series Mechanical
ProSense MPS25 series mechanical pressure switches are engineered for the most demanding environments, consistently outperforming traditional designs where reliability and durability are critical.
- Pressure ranges from vacuum to 7500 psig
- Snap-acting SPDT 3A @ 125VAC / 2A @ 30VDC resistive mechanically operated switch
- Rugged 316 stainless steel housing
- 1/4" NPT male process connection
- DIN 175301-803C L-connector or integral 6-foot (1.5m) cable with ½" NPT male conduit connection,
- IP67 rating guarantees reliable performance in wet or dusty conditions
Starting at
$134.00
(MPS25-1C-DV15D)
B-Series Mechanical
New!
Ashcroft B-series mechanical pressure switches offer reliable pressure sensing in a compact, durable design. Select models offer a narrow deadband to provide highly precise trip points. With customizable setpoints, broad pressure ranges, and robust relay outputs, these switches are ideal for demanding industrial, process, and outdoor applications.
- Pressure ranges up to 3000 psig
- High 15A SPDT relay outputs eliminate the need for external contactors or interposing relays
- Easy mechanical setpoint adjustment with locking screw for secure settings
- Rugged epoxy-coated aluminum housing withstands harsh environments
- All components support wall and conduit mounting
- 1/4in NPT female 316 stainless steel process connection (select models include a 1/2in NPT male option)
- Operates reliably in washdown or outdoor settings (NEMA 4X/IP66-rated)
Starting at
$206.00
(B424B15)
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