Electro Switch Corp. · Electronic Components
E122B3B
Switch, Rotary
Part NumberE122B3B
ManufacturerElectro Switch Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-813-9724 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Individual Section Quantity2
Contact Switching ActionMAKES BEFORE BREAKS EACH SECTION REAR
Overall Width1.812 INCHES NOMINAL
Contact Voltage Rating In Volts30.0 LOWEST DC VOLTAGE RATING AT SEA LEVEL
Throw Quantity4 EACH SECTION REAR
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY
Pole Quantity2 EACH SECTION REAR
Shaft Length0.875 INCHES NOMINAL SINGLE ACTUATOR
Terminal TypeTAB W/SCREW
Square Shaft Size0.250 INCHES NOMINAL SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Vendor Part Numbers1610762PC5
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 E122B3B available?
We can source E122B3B 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 E122B3B by Electro Switch Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If E122B3B 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 E122B3B?
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 E122B3B?
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.