Janco · Electronic Components
A45-1-2B5S
Switch, Rotary
Part NumberA45-1-2B5S
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-259-5508 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION FRONT
Terminal TypeTAB, SOLDER LUG
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Overall Diameter1.036 INCHES MAXIMUM
Pole Quantity1 SINGLE SECTION FRONT
Throw Quantity5 SINGLE SECTION FRONT
Overall Length2.640 INCHES NOMINAL
Individual Section Quantity2
Mounting MethodTERMINAL SINGLE MOUNTING FACILITY
Contact Voltage Rating In Volts28.0 DC 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 A45-1-2B5S available?
We can source A45-1-2B5S 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 A45-1-2B5S by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A45-1-2B5S 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 A45-1-2B5S?
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 A45-1-2B5S?
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.