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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir  · Electronic Components

SMA-742929-1

Circuit Breaker

Part NumberSMA-742929-1
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Maximum Continuous Load Current Ra30.0 AMPERES DC ALL LOCATIONS
Center To Center Distance Between1.016 INCHES MINIMUM AND 1.036 INCHES MAXIMUM
Main Contact Tripping Mechanism TyTRIP FREE
Trip Release CharacteristicTIME DELAY FIRST LOCATION
Internal Trip Release ConfiguratioSERIES TRIP FIRST LOCATION
Mounting Facility Type And Quantit4 THREADED HOLE(S)
Distance Between Centerlines Of Mo1.016 INCHES MINIMUM AND 1.036 INCHES MAXIMUM
Thread Quantity Per Inch32
Switch Terminal TypeTAB, SOLDER LUG
MaterialPLASTIC CASE
Mounting Surface To Terminal End D3.172 INCHES MINIMUM AND 3.296 INCHES MAXIMUM
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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 SMA-742929-1 available?
We can source SMA-742929-1 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 SMA-742929-1 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SMA-742929-1 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 SMA-742929-1?
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 SMA-742929-1?
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.