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DesignFlex  PSF100A Series
The ONLY Shock and Vibration Resistant Switches Available Anywhere
For Sensing Pressure, Vacuum and Differential Pressure
Features  |   Specifications  |   Example Drawing  |   Ordering Guide

After reviewing the features and specifications below, click on Ordering Guide and build your own custom switch. Then click on Request Information/Quotation and send us your request for quote.

PSF100A pressure switches utilize a patented double diaphragm/contact configuration to protect against false actuation due to shock and vibration.

FEATURES
• Shock and vibration resistance
• Lightweight, miniature size
• Extremely fast response time
• Military approval
DesignFlex Pressure & Vacuum Switches - PSF100A
HOW THE PSF100A WORKS
A.   Normal state, no pressure applied: Both contacts of the double make/double break circuit configuration are open.
B.   No pressure applied, subjected to shock or vibration: The contact arms move together in parallel. Since at least one contact is always open, the circuit cannot close in error.
C.   Pressure applied: Both contacts are closed completing the circuit.
DesignFlex Pressure & Vacuum Switches - PSF100A
SPECIFICATIONS Back to top
Mechanical
Standard
Tolerance
±20%
Tighter tolerances available
Switch Type SPST normally open, double-make/double-break
Switching Medium Air; compatible fluids on "High" side
Mechanical Life More than 20 million cycles
Proof Pressure 8 PSI for units where set point is 3.0" H20 or less
15 PSI for units where set point is greater than 3.0" H20
8 PSI for units with Teflon diaphragm
Weight Less than 10 grams
Shock & Vibration At zero pressure, will not make at 50G's shock
Will not make at 10G's, 50 to 2000 Hz vibration
Operating Temp. +40°F to +150°F (standard)
-46°F to +205°F (consult factory)
Physical
Mounting Eyeleted for No. 2 screws
Case Material Polycarbonate standard (other materials are available)
Contact Material 18K Gold inlay
Diaphragm Material Polyurethane standard (Teflon® optional)
Electrical Connections Terminals - .187" x .020" tab-type for use with quick disconnects (ref. AMP 2-520182-2 or equivalent)
Pressure Ports Two .200" diameter barbed ports for use with 1/8" - 3/16" ID tubing
Electrical
Current Rating 40mA resistive for life in excess of 20 million cycles
Operating Voltage AC/DC - 30V or less with resistive load; 120 VAC neon lamp load
For higher loads use SRF 100B solid state relay
EXAMPLE DRAWING Back to top
DesignFlex Pressure & Vacuum Switches - PSF100a
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DesignFlex Pressure & Vacuum Switches - Contact Us
DesignFlex - A World Magnetics Brand DesignFlex Pressure & Vacuum SwitchesA World Magnetics Brand
810 Hastings Street · Traverse City, Michigan 49686 · Phone: (800–643-3884)
© Copyright 2006 World Magnetics.
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