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C P Clare Corporation  · Electronic Components

MSS21A12

Relay, Reed — Relays and Solenoids

Part NumberMSS21A12
ManufacturerC P Clare Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRELAY,REED
Federal Supply Class5945 — Relays and Solenoids
Terminal Type And Quantity14 PRINTED CIRCUIT ALL FUNCTIONS
Features ProvidedWETTED CONTACTWETTED CONTACT
Nonpile Up Main Contact Arrangemen1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Mounting Facility Type And Quantit14 PRINTED CIRCUIT TERMINAL SINGLE MOUNTING FACILITY14 PRINTED CIRCUIT TERMINAL SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type350.0 VOLTS AC 25 DEG CELSIUS AND 350.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Coil Quantity11
Overall Length0.770 INCHES MAXIMUM0.770 INCHES MAXIMUM
Vendor Part NumbersK05-0007-012
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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

Frequently asked

Is MSS21A12 available?
We can source MSS21A12 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 MSS21A12 by C P Clare Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MSS21A12 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 MSS21A12?
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 MSS21A12?
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.