Janco · Electronic Components
EC22B-1-12SP
Switch, Rotary
Part NumberEC22B-1-12SP
ManufacturerJanco
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-102-7768 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Contact Load Current Rating100.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Terminal TypeTAB, SOLDER LUG
Hazardous Locations EnvironmentalEXPLOSION PROOF
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES SINGLE SECTION REAR
Overall Length1.847 INCHES NOMINAL
Rotor Through Connection Quantity1 SINGLE SECTION
Throw Quantity12 SINGLE SECTION REAR
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Vendor Part Numbers3122B-1-F12N, 12922179, 438127-01
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 EC22B-1-12SP available?
We can source EC22B-1-12SP 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 EC22B-1-12SP by Janco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If EC22B-1-12SP 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 EC22B-1-12SP?
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 EC22B-1-12SP?
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.