DesignFlex  PSF200A Series Low Current, Dual Set Point Switches For Sensing Pressure, Vacuum or 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. The PSF200A model is a dual set point switch that can be used for pressure, vacuum or differential pressure applications. Choose any two set points from the PSF200A pressure set point chart on the Ordering Guide. The PSF200A model has three terminals: 'A' circuit, 'B' circuit, and 'Common'. FEATURES • Gold inlay contacts • Small size, lightweight SPECIFICATIONS Back to top Mechanical 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 Operating Temp. +40°F to +150°F (standard) -46°F to +205°F (consult factory) Physical Mounting Eyeletted for No. 2 screws Case Material Polycarbonate standard (other materials 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 Back to top
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