● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Square D Co Cedar Rapids Mfg Plant  · Electronic Components

EC4KKRNNX9DJBBXPXX

Circuit Breaker

Part NumberEC4KKRNNX9DJBBXPXX
ManufacturerSquare D Co Cedar Rapids Mfg Plant
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
ESD/EMICode A — ESD/EMI sensitive item
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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 EC4KKRNNX9DJBBXPXX available?
We can source EC4KKRNNX9DJBBXPXX 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 EC4KKRNNX9DJBBXPXX by Square D Co Cedar Rapids Mfg Plant obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If EC4KKRNNX9DJBBXPXX 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 EC4KKRNNX9DJBBXPXX?
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 EC4KKRNNX9DJBBXPXX?
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.