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Automatic Switch  · Electronic Components

SA20D/TD20A11

Switch, Pressure

Part NumberSA20D/TD20A11
ManufacturerAutomatic Switch
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Features ProvidedELECTRICAL ACCESS PORT
Media For Which DesignedGAS OR LIQUID
Contact Load Current Rating5.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Thread Series DesignatorNPT SINGLE PRESSURE CONNECTION
Terminal TypeSCREW
Mounting Facility PatternTWO POSITION IN-LINE
Contact Voltage Rating In Volts250.0 DC AT SEA LEVEL FOURTH VOLTAGE
Contact Adjustment TypeEXTERNAL ACTUATION POINT HEX NUT WITH SCALE
Contact Adjustment Range+1.00 TO 18.00 ACTUATION POINT POUNDS PER SQUARE INCH GAGE
Pressure Switch TypeGAGE
Distance Between Mounting Facility3.156 INCHES NOMINAL
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is SA20D/TD20A11 available?
We can source SA20D/TD20A11 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is SA20D/TD20A11 by Automatic Switch obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SA20D/TD20A11 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like SA20D/TD20A11?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for SA20D/TD20A11?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.