Electro Switch Corp. · Electronic Components
3SR12C1A
Switch, Rotary
Part Number3SR12C1A
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-281-2271 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Overall Height4.125 INCHES NOMINAL
Switch Actuator Indexing Position2 SINGLE ACTUATOR
Terminal TypeTAB W/SCREW
Contact Load Current Rating30.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Style DesignatorTAP, CIRCUIT SELECTOR
Longest Horizontal Distance Betwee2.281 INCHES NOMINAL SINGLE MOUNTING FACILITY
Nominal Thread Size0.250 INCHES SINGLE MOUNTING FACILITY
Thread Quantity Per Inch20 SINGLE MOUNTING FACILITY
Longest Vertical Distance Between2.281 INCHES NOMINAL SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts450.0 AC AT SEA LEVEL
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 3SR12C1A available?
We can source 3SR12C1A 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 3SR12C1A by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3SR12C1A 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 3SR12C1A?
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 3SR12C1A?
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.