Electro Switch Corp. · Electronic Components
PSA203
Switch, Rotary
Part NumberPSA203
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-196-6770 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Load Current Rating550.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Individual Section Quantity1
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR
Switch Actuator Indexing Position6 SINGLE ACTUATOR
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts115.0 AC AT SEA LEVEL
Rotor Through Connection Quantity2 SINGLE SECTION
Switch Actuator Stop Device TypeFIXED-ADJUSTABLE STOPS SINGLE ACTUATOR
Throw Quantity6 SINGLE SECTION REAR
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is PSA203 available?
We can source PSA203 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 PSA203 by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If PSA203 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 PSA203?
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 PSA203?
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.